Archive of Our Own

Do you remember how everything started?

It was like living inside a dream. He never imagined finding love so unexpectedly. That college student, a red-haired boy with a skin that seemed soft like porcelain, who used to see him spending every morning at his workplace, to whom he served a frappuccino with pancakes. He knew his order by heart at that point. He thought that this kind of things only existed in movies and could never happen in real life.

Kaeya couldn't take his eyes off his dear customer. He was not only captivated by his beauty, but also by how polite and friendly he was. Usually, his workday was hell because of how rude the other customers used to be, so it made him want to quit...

Not until Diluc became a regular.

"Ehm, hello? Are you listening to me?" A woman addressed Kaeya, who had his mind in the clouds but immediately turned his attention to her.

"Yes, sorry." Kaeya said with a smile, despite his customer’s bad look.

"Hey, you took way too long to prepare the macchiato, you added sugar when I asked not to do it, and on top of that, ‘Diluc’? I asked you to write ‘Yve’!" She complained angrily, placing the glass in front of the barista, who widened his eyes when he saw that he did indeed write the wrong name.

"Sorry! I'll get it ready again right away!" Kaeya apologized remorsefully. It wasn’t a lie that he was ashamed and afraid at the possibility of the woman asking him for the complaint form.

It was an uncomfortable and embarrassing situation, but for Diluc, it was the sweetest thing in the world. He looked at Kaeya and smiled at his adorable mistake. As soon as he finished his breakfast, he didn't hesitate to get up and head over to the counter to talk to his secret admirer.

"So you think of me, huh?" Diluc said to Kaeya as he cleaned the coffee pot. The barista's heart began to race faster than normal, but he wouldn't let his composure falter in front of him.

"Well... actually, I’ve been very busy lately and my head is in another world." Kaeya excused himself, slowly getting lost in Diluc's red eyes. "And, since you are one of our most frequent customers…"

At that moment, the two of them were at the shortest distance they had ever been. Only the counter was between them, but it was enough to stare at each other. Words were unnecessary, Diluc played with the lock of his hair while he looked at the barista. As simple as the gesture was, Kaeya felt melting inside.He also noticed something different in the environment, as if only they were the protagonists of the place. The urge for him to gently grasp his chin to bring him to his lips was too strong. He needed to do it, he couldn't take it anymore. And by the way the redhead looked at him, he knew he wanted it too. He showed on his face that he wanted to be kissed too. It was so magical for both of them, knowing they desired the same thing. 

"You are not good at lying." Diluc looked down at his nameplate. "Kaeya."

That look the student gave him was his weakness. Sometimes he wondered if Diluc was for real or a mythical being who had the ability to take over people with his facial expressions.

"You're right. I can’t hide the truth; You are in my head all day, Diluc. "

His words were sincere this time. That caused a sweet smile to spread across the redhead's face, which further weakened Kaeya.

"I'm glad it's mutual." Diluc couldn't stop smiling at him after that. He grabbed a piece of paper and pen from his pocket and quickly wrote down his phone number. “One of these days if you want, we can hang out. See you soon."

The barista didn't even have time to say goodbye. He was only able to see Diluc leave the place. He couldn't believe that, he was so happy in that instant that he even forgot where he was, until a young boy snapped his fingers near his ear, bringing him back to reality.

"Are you going to take my order or not? I'm late for class!" He exclaimed.

"Yes yes." Kaeya put the paper in his pants pocket and looked up, noticing the queue. He sighed, tried to keep his smile and focus on work.

Monday mornings were a challenge for him, but that day was totally different. He felt a boost of energy that he hadn't experienced in a long time, and the world in which he lived suddenly turned into paradise. For once, he was excited about something in life.

And that was a date with that boy he wanted so much. He truly was filled with joy.

—

In that month of December, the city was full of snow and Christmas decorations. Christmas Eve was getting closer and closer, and Diluc had planned to return to his hometown  to spend the holidays with his family, so he had to start organizing his suitcases. But first, he wanted to have that date with Kaeya.

He was so anxious that night that he kept checking the time on his phone. He didn't stay still on the bench, but it was pretty normal. Diluc was going to meet the boy of his dreams, a beautiful blue-haired tall man with a patch that covered his eye, making him look more mysterious and attractive. His personality was another trait he loved, even though they had never spoken face to face outside the coffee shop.

Diluc smiled as he read the last conversation with Kaeya before they left their homes. He loved how attentive the barista was to him, and how cute he was through the messages. He couldn't help it, he was very excited, but at the same time quite nervous. He looked away from the screen to look around him. All passersby seemed happy, maybe it was because of the Christmas spirit that was breathed in the environment. It seemed that it was going to be a Christmas like every year, and for the first time in years, this time he dared to meet someone for something serious. Although he loved being alone, he was tired of being the only single person in meetings with his friends, and he also wanted to have some romantic affair with someone. He was afraid to start something like this for the first time, and not because he had no experience whatsoever.

 Only because of his true nature.

Among the people walking on the sidewalk, a young man with blue hair peeked out, waving at him with a smile from ear to ear. Diluc couldn't help but smile back, he was really excited about the date with Kaeya. He adjusted his scarf and put his phone in his coat pocket to get up to greet him. His heart was pounding, he didn't know if it was from shyness or because… He really felt something for him.

 "H-hey."

Kaeya stuttered. He was impressed by how cute Diluc looked in his fur coat, his scarf which covered part of his reddish cheeks, and his low ponytail with loose strands that hid his ears. Maybe he didn't see his lips, but from the way his eyes curved, he could tell that he was smiling too.

"Hi. I see that you’ve arrived just in time". The student said. There was a short silence between them, they didn’t know what else to say. It was uncomfortable. “You want to go for some coffee?"

The blue-haired put a hand to the back of his neck and laughed before answering.

"I don’t want to be around coffee shops… Let’s go somewhere else." He said, grabbing his hand and walking wherever fate would take them.

Along the way, they talked about each other's interests and stories. Although it was a pleasant enough conversation, they couldn’t stop thinking about their hands touching. Kaeya caressed Diluc's hand with his thumb, causing his heart rate to increase in tandem with the blush on his cheeks and nose. And the same happened with the young barista, Diluc's hand felt just as he imagined it; soft and warm, perfect to protect him from the cold.

The night was perfect, everything went better than planned. Sometimes, makeshift plans are always the best. They both started by looking at store windows, which were crowded with people looking for gifts for Christmas. Next, they went through the arcade, where they had a good time playing all kinds of old videogames and slot machines.

"Oh! I run out of coins.” Kaeya huffed and shook his wallet, hoping he had something to continue playing with.  Diluc laughed and offered his last coins.

“Here, take mine. I don't think I want to keep playing. " 

The barista accepted them after Diluc nodded in affirmation.

"Thanks… I'll spend it on whatever you choose!" Kaeya said cheerfully, with a twinkle in his single eye that emphasized it.

"Alright then."

The student smiled at his impetus. He turned his head sideways to see where to go, until his eyes focused on the claw machine. The truth is that, Kaeya was very clumsy for it, but if he wanted to impress his date, he would do anything.

He grabbed his hand, something that made Diluc blush, and led him to the next game. Just by seeing where he brought him, the redhead felt a sense of longing. He wondered if it was going to be like those movies he used to watch on his days off. When he was younger, he hated cheesy movies with all his being, but his heart was sensitized over time. Sometimes he thought that maybe it was because of the loneliness that had been accompanying him for a long time. He wouldn't admit it, but he wanted from time to time someone to show him affection. It was true that his father gave him the necessary, but he barely could spent time with him so it wasn’t enough. But from the little time he had spent with Kaeya, he managed to heal that emptiness.

"Diluc! What are you thinking about?" Kaeya giggled as he patted him on the back, surprising him. He really was absorbed in his thoughts.

"Doesn’t matter. What are you planning to do?" He said, curious.

"Well, it's a bit cliché, but choose the one you like the most… and I'll try to catch it!"

Right when Kaeya’s eye shone after saying that, Diluc's eyes did the same. He could even tell that he felt a special connection as soon as they made eye contact. The blue-haired blushed and he looked away. He inserted the coin, licked his lip, and grabbed the joystick.

"I want you to choose one for me." Diluc whispered in Kaeya's ear.

His wishes are orders. The young barista had no idea how to play, much less which object he liked the most on his date. The claw began to work, Kaeya focused on a stuffed animal of what seemed to be a cat in a strawberry costume. It was very cute and it reminded him of Diluc. He wondered if he would be angry if he revealed that to him.

The claw was approaching the stuffed animal, he didn’t expect it would be so easy to make it approach his target. As Kaeya saw it going, the claw stood up to what he wanted and it began to go down. They were both hopeful that it would catch the stuffed cat, but it just brushed against it and rose back to its initial position again. There were still two more rounds left, and Kaeya went into his competitive mode to win the college boy's heart that night. He went back to grabbing the joystick and repeating it, although this time he was more clumsy so he didn’t get to do it. The blue-haired sighed in disappointment lowering his head, to which Diluc laughed as he stroked his back to comfort him. However, by the third game Kaeya could taste success. The claw lowered and closed properly around the stuffed animal. The second step was for him to go up without escaping, which was also perfect.

"Take it now!" Kaeya exclaimed as Diluc bent down to pick up the gift from him. "I told you I would make it." He bragged.

"Yes, Kaeya. You’ve done great." Diluc said, tucking his stuffed animal into his coat pocket and holding onto his date's arm shyly. "It’s very cute."

"I-I'm glad you like it." He couldn't help but blush. "I'm hungry, do you want to eat somewhere?"

Diluc nodded happily and they headed to the nearest restaurant.

—

After dinner, the student felt a bit strange. He was holding hands with his date, they walked through the streets calmly watching how the shops closed, and at no time it seem that he was going to take him to a private place. He was used to going on dates and always ending up doing… indecent things. But this time, was very different. Was it true that Kaeya just wanted to go on a date with him? His head was filled with questions and intrusive thoughts. Even though nothing was happening, something inside was telling him that something was wrong. So, he stopped short and looked at Kaeya.

"Hey… where are we going?"

Kaeya frowned, confused by his attitude.

"Um, well, I was going to call a taxi to take us back home." He answered, noting the time his phone was dialing.

The feeling that went through Diluc was relief. It was so unusual for him, but still, he appreciated it. Then, suddenly, he felt as if something was breaking in his chest. His eyes watered as a lump formed in his throat. He hid his face behind his scarf but the sob he let out gave him away, worrying Kaeya. He came over immediately and wrapped him in his arms. He didn’t know what to do in these situations, especially if he didn’t understand why.

"Have I done something wrong?" Kaeya thought as he stroked his hair.

Diluc couldn’t stop crying as he buried his face further against his chest, and the blue haired was worrying too much to the point of stressing about not knowing how to comfort him. He thought that maybe if he said something it would ruin it, but at the same time he also thought that if he didn’t say anything, it wouldn’t help enough. He just hugged him and didn't say a word. The few people left on the street passed by them and looked curious, something that made the barista a bit embarrassed, but at that moment what mattered most was Diluc being okay again.

When his crying subsided, Kaeya grabbed a handkerchief and began wiping the tears that were left on Diluc's face.

"Don't look at me... I'm sorry." The redhead said in a small voice, looking away.

"Diluc." Kaeya grabbed both sides of his face. “You still seem beautiful to me. Don’t be sorry."

Something special about Kaeya's eye was that his emotions stood out through it. Diluc could deduce that he was being honest with him, which reassured him and made him trust him. He nodded and grabbed his hand.

"Um... if you want, you can stay at my apartment today." Kaeya offered. The thought of leaving him alone for the night really scared him. He wanted to comfort him and be there for him only.

Diluc didn't think twice and gave in. Kaeya didn't seem to be like the typical pervert who would fondle him while he slept.

"Okay, let's go." The barista took him to the taxi rank.

—

The ride was inhabited by silence, but when Kaeya held Diluc's hand, words were unnecessary. Sometimes he wondered how he liked that boy so much when he hardly knew him, and how they hit it off so well if they had barely seen each other. It was as if they had known each other forever.

As if their souls were fated.

Once they reached Kaeya's home, Diluc was calmer. The place, despite being small, was quite cozy and warm. It could be deduced that it was a typical apartment for a person who was studying or working part time.

"Sorry about the mess, I wasn't expecting visits today." Kaeya apologized between slight laughs. He looked to the room at his right, the redhead doing the same. "This is my room. The only one in the house. I'll take out a futon for you too.”

As he walked to the closet, he was stopped by the student, who tugged at the sleeve of his coat.

"I-I don't mind sleeping with you..." Diluc said, looking away with a noticeable blush on his cheeks.

Kaeya smiled fondly after seeing that. He turned around and for the second time all night, he cradled him in a hug.

"Diluc, don't be shy to ask me for anything."

Again, that same sensation ran through the student's body. His heart pounded at the gentleness with which he treated him. And he was grateful for it… yet it scared him. He didn't understand why he couldn't accept that someone could be good to him without cruel intentions.

Was it Kaeya, the one who would show him that good humans really did exist?

They both lay down on the little futon as best they could. Diluc already understood why the barista offered him a futon, but for some uncertain reason, he needed someone's warmth to sleep. It was complicated at first, as Kaeya was only showing him his bare back and he couldn't tell if he was awake or already asleep. He brought his nervous trembling hands to him, he felt so far away and he was so close. Diluc was afraid that he would be angry for simply putting his hands on his back, but after seeing that nothing happened, he proceeded to hug him. His bare skin felt totally different from the other times they hugged that night, and he loved it.

On the other hand, Kaeya smirked and grabbed his wrists, surprising him. As soon as the student let out a gasp at the unexpected movement, his lips were invaded by the other's. He hadn't kissed someone in a long time, but this time, he felt something. Finally, a kiss that didn’t feel empty.

"Ah... Kaeya...?" Diluc asked, confused looking at his lips.

"I can't hold back anymore." Kaeya leaned close to his ear as he gently held his chin. "I want to show you how much I want you, if you allow me."

Diluc still didn’t believe what was happening. But Kaeya acting like this… Turned him on too much.

He didn't expect to end the date like this, but he was found hungry for Kaeya's lips. They felt soft and were addictive, he couldn't stop tasting them. Their tongues caressed each other's mouth fiercely, causing an indecent sound from Kaeya as the student's hands explored his torso.

It was impossible to stop, the temperature of the environment increased as well as their semi-naked bodies, rubbing against each other, feeling their skins. Diluc played with Kaeya's hair as he licked and kissed his neck, making him shiver.

"Mhm .. Ah ~" Diluc moaned as Kaeya’s lips tasted him. It was inevitable, he felt so good.

The shy whimpers that Diluc let out gave Kaeya confidence to keep going. However, he was very nervous about doing this, as it was his first time and he wanted everything to go perfectly. Although, he began to doubt.

He stopped to look into the red eyes that burned of lust. 

"Diluc... I... This is the first time I’m going this." Kaeya confessed and sighed. "I don’t want to disappoint you."

The young redhead went to kiss his cheek, in order to calm him down. He looked at him tenderly and gave him a smile from the bottom of his heart.

"You won’t disappoint me." Diluc sat on his lap, making Kaeya moan at the friction between their erections. He wrapped his arms around his neck and continued. "I want all of you."

Kaeya ran his hands up his back and caressed his lips with his again. This time the kiss was slow, but passionate. He removed his last top garment, leaving his torso bare. He stared at him for a couple of seconds, before leaving a trail of kisses on him, to which Diluc only reacted with moans. Kaeya’s touch weakened him, it was incredible that he made him feel so many things just by touching his body. It was when, the tongue of his lover began to lick his nipple delicately, driving him crazy.

"Ah! K-Kaeya! " Diluc covered his mouth in shame, Kaeya giggled at it.

"Mhm, you are very sensitive from what I see." He murmured as he continued to suck on his nipple.

Diluc hugged his head while still moaning his name. His warm, wet tongue felt too good, but not much more than his hand stroking his still covered bulge. However, although he was in full ecstasy, his concern appeared as he noticed Kaeya's fingers trying to lower his pants next to his underwear. Diluc’s fun was over.

"Oh? Is that a tattoo? " The single eyed boy said, noticing the mark on his belly.

His secret - which was rather his curse - was about to be be exposed and he didn't want that at all. But, how long could he keep hiding it? How could he live the worldly life if he has to be hiding the truth from him, someone he liked?

And... How could he love him inside a lie?

The student pulled Kaeya's hand away, confusing him. He couldn't look at his face, he was too ashamed and afraid.

"What’s wrong?" The blue-haired asked concerned, grabbing his hand.

"Kaeya... This is not a tattoo like those you’re used to see" Diluc explained.

"...Huh?"

 Kaeya could tell how his hand was shaking, as well as his voice. 

"This mark I carry with me… is because I’m an incubus."

Kaeya didn't know what answer to give. He was speechless at his confession. It was true that he heard cases of the increase of sexual demons infiltrating the human population, but he would never expect to have a crush on one. Although, Diluc warned him before doing anything. Maybe, he was different from the rest of his species. It wouldn’t benefit a demon to help his victim.

The already confessed incubus got up to pick up his things.

"H-Hey, Diluc..."

Kaeya followed his example and got up as well, but just when he was about to reach him to speak, Diluc turned and looked at him in anguish.

"I'm sorry, Kaeya, but I can't do this to you."

Then, he left the place. 

—

Those were his last words before leaving the apartment. Two weeks passed, and he hadn't heard from Diluc since. He didn’t respond to his messages or his calls. He didn't even see him again at the coffee shop. Sometimes he just wanted to give up and move on, but that incubus was the owner of his head. He had no one else haunting his thoughts than him. His smile, his face, his laugh, his porcelain-smooth skin, his moans… He wanted no one but Diluc.

Meanwhile, in the big Ragnvindr mansion, Diluc and his father, Crepus, were enjoying an excellent dinner. But, although the dishes were luxurious, the younger demon wasn’t doing well. As much as his father pampered him, he kept thinking about Kaeya.

"It’ll be Christmas Eve soon." Crepus commented, wiping the corners with a napkin. "Mortals go crazy gorging themselves on food, and other types of pleasures... Don't you think is the perfect time to go hunting?"

"Yes father." Diluc said reluctantly. He sighed and got up from his seat to head upstairs. "I'll go to my room. The food was delicious."

"Oh. Well, whatever you want son. " The older one said and proceeded to continue enjoying dinner.

As he reached his room, his eyes began to flow into tears. He walked over to his bed and slowly collapsed there. He curled up hugging his pillow and checked his phone, seeing notifications from Kaeya on his screen that kept popping up. He sobbed when he saw them, it hurted him to have fallen in love with a human. It was truly a problem, since his sole function as an incubus is to seduce his victims and get rid of them. Anyone who was into him, wouldn’t last alive for long. But Kaeya, he wasn't just another victim. He was a human who gave meaning to his life, the one who made him know what is love.

He felt more alive than ever loving and being loved. But he sensed that it would come to an end at any moment, and it hurted a lot inside. More than any of the scars on his body.

He turned off his phone, ignoring all the messages from Kaeya. He thought the best he could do was to turn the page and forget him, as well as all his victims from centuries ago. But, from the impact Kaeya made on him, he doubted he could pull it off.

"Demons don't feel emotions, and much less towards humans..." Diluc thought, remembering his mother's words. “Why can't I be like everyone else… and stop feeling emotions? Everything would be easier, mom. "

—

Christmas Eve meant crowds of people in the street, happiness everywhere, lights, music, fun… It was an adventure. Exciting for some, and for others, not so much.

Diluc was lost in his thoughts as usual. It was another year in which he had to go for a lonely soul, desperate for the warmth of a handsome young man. That's what he was born for, and he couldn't change it.

He was pacing the plaza, analyzing who might be the next prey to help him maintain his reputation as an incubus. He had it complicated, since everyone around him was accompanied or looked happy. And that really hurt him. Everyone was happy except him. But still, he wasn't going to stop his search, even if it lasted until dawn.

He looked up from the ground and saw, not far away, whom he didn’t expect to meet again.

Kaeya.

Kaeya was there, in the same place. He didn't want him to see him, but as soon as his eyes fell on him, immediate eye contact was made. Diluc was paralyzed, he wanted to run away, but something inside him told him to approach him despite everything.

"Diluc!" He called out to the blue-haired as he ran towards him.

But the incubus impulsively turned away. The idea of confronting the situation frightened him and he chose to withdraw, but Kaeya's arms wrapped around his shoulders stopping him in time.

"Let me go." Diluc said with a broken voice.

"No... I'm not letting you go this time." Kaeya said almost sobbing, his eye shedding the first tear, which Diluc felt fell on his shoulder.

He never saw a human crying for him before. Once again, he believed that this only happened in fiction. He couldn't imagine becoming so appreciated that someone would cry in front of him. 

And that was what made him change his mind.

"Maybe you’ll continue to ignore my calls, maybe I’m a burden to you but... You had me really worried." Kaeya buried his head in his neck as he burst into tears. "I'll leave you alone if you wish, but before anything I want you to know... That I don't care if you're an incubus, Diluc."

"Kaeya..." he sobbed, bringing his hands to his tear-soaked face as well. "I’m a demon. A monster. I'm not for y- "

"No!" Kaeya exclaimed fed up and grabbed his shoulders to turn Diluc around and make him look straight at his eye. He no longer cared that he saw him like this. “You’re no monster, Diluc. I know because I saw you cry. Because you didn't kill me when you had me wanting you. And those tears aren’t fake at all because no demon is able to do that… ” He inhaled deeply as he wiped the tears away from him. “I like you, Diluc. From the first moment I saw you. "

Diluc felt that he was going to melt at any moment. He definitely couldn't get away from Kaeya. He was the only one who made him feel a host of emotions that made him vulnerable. He wanted to stop crying, but he couldn't, so he flung himself to his lips and kissed them like it was the last time he was going to do it. He didn't care if the rest of the mundane people saw the scene.

"I... I really like you too, Kaeya." He whispered against his lips. "I can't escape my emotions."

Kaeya smiled and hugged him.

"I guess it's something new for you." The blue-haired kissed his forehead and held his hand, intertwining his fingers with his, making him blush. "I promise to take care of you in this process."

The incubus gave no answer, as it was lost in Kaeya’s single eye, that glowed brightly in the darkness of the night. He was so beautiful that he couldn't hold back anymore and kiss him again.

That Christmas Eve will be remembered forever. Both finally spent it with someone they really liked. Diluc felt peace for the first time in centuries. 

—

And Kaeya's promise was fulfilled. Several months have passed since they started dating, and Diluc still couldn't believe it. He never thought of having a partner he would be deeply in love with, and that he cared for him like no one else. It seems that sometimes in life, when someone least expects things, they happen. By that time, the incubus continued pretending to be an student to adapt to human society, but he attended less and less to class. He used to sneak into Kaeya's apartment before he came home from work to surprise him.

And he was sure he would love that surprise.

"I'm back." Kaeya announced from the entrance, taking off his shoes.

He knew that Diluc was prowling around, but what he didn’t know was that he was going to find Diluc in a certain way when he passed through the kitchen;  On his back, naked with only a pink apron covering him, and a high ponytail. Kaeya gulped at the lewd yet so adorable sight at the same time.

"W-Welcome." The redhead said shyly, moving his knees together and looking at his lover. It was kind of embarrassing to be like this, but if it was to make his day, whatever. "I saw that  humans liked these things and… Uhm... Well, I'll keep preparing the food."

Diluc turned again to continue chopping the vegetables, still thinking about how that was too much for him. Sometimes it was hard for him to believe he was an incubus, despite all his  experience, he didn’t feel that he was worth to seduce. Or so he thought ...

"Mhm, of course I like it." The blue-haired said softly, taking slow steps toward Diluc.

He rested his hands on his shoulders and slid them down, sending shivers down his side. He brought his face close to the nape of his neck and blew on it, while his fingertips ran over his chest. Diluc was blushing as he tried to contain his moans, but it was difficult as Kaeya began to play with his nipples, pinching and massaging them.

"H-Hey ... Hm ~ ♡ !" Diluc groaned, feeling his erection grow larger and a heat wave in his belly. His libido, which was triple times greater than humans’, was increasing due the touch of his boyfriend. He reached out his arm and placed his hand on Kaeya's bulge, surprised by how hard he was. "You're already like this..."

"How can’t I?" Kaeya laughed provocatively. "My little wife turns me on so much."

The blue-eyed man ran his hand up to Diluc’s neck and made him look at him, thus attacking his beautiful pink lips that drove him crazy. The young demon reciprocated the kiss and unzipped his pants to release his hardened wet cock, which wouldn’t stop dripping precum. He proceeded to stroke it, making Kaeya moan this time. He couldn't deny it, he loved hearing his voice.

"Ahh ~ Diluc, I want to put it in..." Kaeya confessed, letting himself be carried away by the touch of his lover.

"Go ahead, Kae, I'm all yours."

Kaeya's fingers climbed up to his lips and into his mouth. Diluc began to lick them seductively, lubricating them well enough for his lover to get his entrance ready with them. As he took out the fingers from his mouth, Kaeya proceeded to massage his arse, making Diluc whimper from ecstasy and impatience. He needed to feel his cock inside him already, and just by imagining it he felt shocks of pleasure.

Kaeya slowly inserted one of his fingers, and the incubus couldn't help but flinch. Little by little, he began to thrust into his small and tight hole with a second finger inside him, Diluc's moans escalated more and more, dropping his body on the counter.

“Ah ~ Nnhg! Fuck me, Kaeya!” Diluc begged as he felt his finger stimulate his G-spot.

"Fufu, alright sunshine. Be patient."

Although he was about to take the step, desperate, the young demon grabbed his cock and pushed inside his already lubed entrance, tearing a very loud moan from both of them. Diluc rocked his hips to Kaeya, going into a state of utter ecstasy. The redhead’s inside felt luscious, and so tight and warm that he couldn't stop thrusting.

"Oh yeah... Diluc..." Kaeya gasped, leaning over his back and massaging his erect nipples again, which were even more sensitive than before.

"Mhm! Ahh, if you keep touching them like this… I'm going to ruin the apron!"

Kaeya felt hot liquid spill from his fingers. It was Diluc's milk, of which he sometimes felt ashamed but every time he secreted it he felt a lash of pleasure that made his legs tremble. His lover looked at his fingers with his essence and smiled, licking them to tease him. Kaeya straightened his body and pulled his ponytail, burying his cock deeper. Both were getting closer and closer to climax, feeling the other as if there was no tomorrow and letting out obscene sounds shamelessly.

“I love to fuck you, Diluc. You don't know… Ah, how much I like you… ” He said between all the panting.

The incubus was too clouded in mind to say anything. He only was able to let out the lustiest moans Kaeya had ever heard. The climax was near, so Kaeya dropped his body onto Diluc’s back and hugged his waist, increasing the hits to his prostate. He approached his neck to sow a path of kisses and bites, and rose to his ear to whisper things Diluc didn’t expect to hear from Kaeya at such a time.

"I... I love you, Diluc ..." He moaned into his ear.

"Me too ... Ah ~ I love you."

Kaeya gave his last thrust, coming inside the incubus as he did the same, releasing an orgasm that shook his whole body. The blue-haired stayed in that position, until he made sure it all ended up on his inner walls. As they tried to regain oxygen, Diluc groaned as he felt milk fall from his nipples again. He looked under his chest and the counter was drenched with it. He blushed when he saw it, but even more so when Kaeya pulled away from him and saw his cum run from his butt to the ground. He covered his face in shame, to which Kaeya laughed.

"D-Don't laugh!" Diluc complained.

"You asked for it." Kaeya laughed and held his flushed face to kiss him on the lips. "It was amazing, sunshine.”

“Y-Yeah… How about we take a bath?” 

Diluc smiled, winking at his boyfriend.

“As my little wife wishes.” Kaeya teased.

“Stop calling me that!”

After cleaning up that mess in the kitchen, they headed to the bathroom to spend more intimate time together. Diluc loved these moments with Kaeya, and he wouldn't trade it for anything in the world.

—

Time flies with you. Living an eternity with you is all I want.

"Diluc, I believe in you." Kaeya said, stroking Diluc's back to reassure him. "But whatever happens, the only way I'll stop loving you is by dying."

His heart rate was going too fast at that moment. It was the first time the incubus was going to tell his father that he had a romantic partner. He was terribly nervous, he couldn't stop shaking wondering how this was going to end. He was afraid that his father wouldn’t let him be with the human who stole his heart. But, he couldn't keep hiding it. Living like this was living imprisoned. And it wasn't just Kaeya ...

Also, his three months pregnancy.

"Okay." Diluc sighed and stepped forward to call the portal of his mansion. He turned to see his lover one last time and he kissed him gently, before saying goodbye to him. "Love you."

As soon as Kaeya was far enough away enough to not let anyone notice that he was coming with him, the guard opened the doors for Diluc and entered his home. The maids as always gave him a friendly welcome, as well as his father, who never wore the smile from his face when he saw his son return home. Upon arrival, the table was already served.

"Feel comfortable son, while you prepare what you have to tell me."

Crepus said, offering him his assigned seat and immediately went to his own. As he grabbed the cutlery to begin eating, Diluc felt uneasy. He didn't know where to start, but he had to do it at once.

"Father, this is somewhat complicated ..."

“Diluc, you can tell me anything. There is no use lying to me and you know it." The older human-looking demon said and got ready to eat.

Diluc bit his lip in distress at the prospect of disappointing his father. He swallowed hard and steeled himself to tell him.

"I am… expecting a child… with a human."

He felt that he had lifted a weight from his shoulders, but the reaction of his father alarmed him. Only silence and a confused look in was his response. The situation was too much for both of them, but for Diluc, it was more difficult to manage. He began to cry and immediately covered his face with his hands so that his father wouldn’t see him. In fact, it would be the first time he'd seen him break down like that.

"Diluc..." his father called, commiserating with his pain. It was hard to take in, but seeing his son cry over him moved him.

“I-I'm sorry… But I couldn't keep it anymore. It's not fair to lie to my future baby's grandfather." The young demon looked up to meet his eyes. “And… My partner is not just any human. He’s not a despicable and selfish mean being... He is the one who has taught me how beautiful it is to love, father."

Crepus put a hand to his chest and looked away, closing his eyes and articulating his lips before speaking.

"I understand, son. My life changed after falling in love with your mother. She… gave me the best gift someone could ever have given me." He sighed and looked back at his son. “To experience love and having you. I guess you and I are different from other demons." He said along with a smile.

Diluc smiled back at him and wiped his tears with the sleeve of his shirt.

“Also… I have decided to renounce our species. I don't want my son to be an incubus too and go through what I've been through, and I don't want to continue living long after the day my lover passes away… I couldn't live an eternity without him."

Those words fell like a jug of cold water on Crepus. That decision Diluc made hurt him, but his reasons were more than fair. A demon has to write his own destiny and could not be stopped by anyone.

“When my grandson is born, he will be the seed of your rebirth. On that day, you both will become humans. But for now, during your pregnancy, you will continue to be the incubus I raised. "

Diluc smiled widely. At last his dream of being human would be fulfilled, and his father accepted it. He couldn't feel more exhilarated at that moment. Such was his happiness that he got up from his seat and went to hug Crepus.

"I swear I’ll never forget where I came from. Thank you, Dad."

The older demon laughed and patted his back.

"Well, stop crying son. The meal is going to get cold." He laughed. 

If it meant the happiness of his son, he would even sacrifice everything. 

—

It was another December 24 at the Ragnvindr family mansion, but that year was very different, and with more people. It was going to be the first Christmas living as a human for Diluc, who was busy placing the dishes on the table. The maids insisted on helping him, but he didn't want to make them work too hard that night. That dinner was going to be very special, it would be the first in which his father would meet Kaeya and his grandson, Caelus.

Kaeya meanwhile, carried the child on his arms while they contemplated the big Christmas tree in the room. He knew Crepus would get pissed if he saw any Christmas decoration at his home, but since it was Diluc’s idea, he would just pass.

"Ah! Caelus, be careful, it took us time to decorate it... At least wait for your grandfather to come and see it. " He said to his son. 

He knew Crepus would get pissed if he saw any Christmas decoration at his home, but since it was Diluc’s idea, he would just pass.

It seemed like someone knocked on the door. One of the servants immediately went to open the door and it turned out to be Crepus. He carried two suitcases with him since he returned  from a trip he took to a place far away from the human world. Kaeya went quickly to receive his father-in-law for the first time, he was surprised by how tall and intimidating he looked.

“Oh, Mr. Ragnvindr? I’m Kaeya… Nice to meet you!" He introduced himself, somewhat nervous. "And this is your grandson, Caelus."

Crepus was shocked to see Caelus. He reminded him of Diluc when he was still a baby. He didn’t hesitate to reach out his arms to carry him.

“Oh, Kaeya… Thank you for bringing me such a beautiful child…"

The incubus father said caressing the cheek of his dear grandson. Diluc walked over to where everyone was. And he couldn't help but smile upon seeing that scene. He was really very happy to see them together.

"Father! Don't just stand there at the door. " He grabbed one of the suitcases and walked with him and the rest to the living room. "Come on, a splendid Christmas dinner awaits us."

“Wait, Diluc did you really brought that stupid mundane thing to my-”

“We have wine!” Kaeya said showing his father-in-law a bottle of his favourite drink.

“Mhm, okay. I like this guy, Diluc.” Crepus said looking at his son.

They all laughed together after that comment. 

They couldn't ask for more on that Christmas Eve. Both Diluc and Kaeya were happier than ever to have formed their own family as they had wished. But mostly, they were proud of having maintained the bond that united them despite everything.

For you

For everything

Forever

Bound to you.

Fin