Work Text:
The first time it happens - or, probably more accurately, the first time he remembers it happening - Lan Yuan is ten. It's the middle of the night and he's not sure what's woken him, since he usually sleeps pretty hard. His A-Die had once joked that he could sleep through a whole parade and Baba had laughed and called him a hypocrite. Neither of them were wrong, though, because usually he was out at 9 pm sharp and slept through until morning, no matter how frustrating it was.
But that night changed everything. Because he'd woken up, for whatever reason, and had been absolutely unable to fall back asleep. Deciding he'd get himself a glass of water, he'd shuffled his way quietly into the hall and had barely made it two steps out of his room when he'd heard it.
A moan.
He froze, unsure. It had sounded like it came from his parents room, but it was after midnight, and surely they were both asleep? Was one of them having a nightmare? Did one of them sleep talk? Lan Yuan thought he'd know if they did, but maybe not. After all, the last time he'd slept in the same room as them had been years ago, when he'd been just a baby.
The noise sounded again, longer and lower, and something about it had Lan Yuan's cheeks burning red, his tummy tingling oddly. That hadn't sounded like fear or pain or just words mumbled in someone's sleep. That had sounded like the noise Baba made when A-Die cooked something special for dinner except... more.
He struggled for a moment, wondering if he should just go back to bed and pretend this had never happened. Because he wasn't stupid, and he wasn't a little kid anymore. His classmates talked about stuff like this all the time, when they were out of earshot of the teachers. He knew what this was. His parents were having sex.
Lan Yuan should've probably been disgusted. He should have been revolted and embarrassed and he should have immediately turned tail into his room. He should've shut the door firmly behind himself, maybe even put some headphones in to block out anything else he might hear, and gone back to sleep. Sometimes kids overheard their parents having sex, and from what he'd seen from his friends at school, each and every one of them cringed at the memory and did their best to block it from their mind.
That's what Lan Yuan should have done. That was not what he did, however.
Instead, he continued to take slow, shuffling steps done the hall. The closer he got, the more he heard, and the more his stomach squirmed with warmth.
"Ah, ah, yes, Lan Zhan!" He could hear his Baba whimpering, voice catching on what sounded like sobs. "Husband, there, there, please!"
"Hush," his A-Die ordered firmly, barely sounding any different than normal, but the faint rocking of the headboard against the wall became noticeably louder, and Lan Yuan clenched his fists. His peepee - cock, one of the boys in his class had told them it was called, smug in the knowledge of it - was growing harder in his sleep shorts and... that had never happened before. He knew it could but it never had. It felt weird but, when he hesitantly rubbed at it through the fabric, it felt good. So good he gasped and gripped himself tighter, hips swaying frantically against his hand.
"I can't!" His Baba cried, and Lan Yuan jolted at the sudden loudness of it, at the reminder that all that separated him from discovery was a thin door. His parents could hear him at any time, could come out and see him standing here in the hallway listening to them having sex and touching himself while he did it. They'd know he was a pervert without any doubt. And yet still, the thought of it just made him more desperate. "I can't! It's too good, Lan Zhan, Lan Zhan, feels so good, more, more!"
More, Lan Yuan agreed, bending forward as he clamped his wrist with his thighs and ground into his open palm, hips twitching erratically. Without even realizing, he'd begun to mimic the sound of his father fucking into his mother. Was Baba laying on his back, legs spread for his A-Die to crowd into? Or was he on all fours? Was his face shoved into the pillow and held there?
"Hush," his A-Die said again, more stern this time. "A-Yuan is down the hall."
The sound of his name falling from his father's lips here, now, while the two of them were so obviously having passionate sex, was enough to send Lan Yuan over whatever invisible barrier had been holding him back. He whined, muffling himself by biting down on his free wrist, and felt warm wetness begin to spread across the front of his pajama shorts.
He took a moment to catch his breath, feeling dizzy and blissed out, his limbs numb and his head an empty void. From within the bedroom, his parents continued on without pause, and he wanted to stay and listen until the end, but already his eyes were drooping.
And so, with regret, he turned and made his way back to his room as quietly as he could manage. He flopped onto his belly and was out before his head even hit the pillow.
Maybe that should have been the end of it. Maybe he should have woken the next morning with the evidence of what he'd done crusted to the inside of his underwear and felt shame. He should have been embarrassed the next day, should have found it difficult to look either of his parents in the eyes while the sound of them having sex replayed in his mind.
He didn't.
Lan Yuan woke to his A-Die's voice calling from the hall like he did every morning. He grimaced at his dirty underwear, scrubbing it clean in the bathroom and shoving it to the bottom of his laundry basket, and then sat at the kitchen table and ate breakfast like nothing had changed from the day before. Like the sight of his Baba's sleep rumpled hair and the sound of his raspy voice wasn't causing his stomach to squirm familiarly. Like he couldn't notice the dark bruises that peaked out from under his shirt as he moved. Baba couldn't sit still, and that wasn't anything new, but now he knew why. It was like his eyes had been opened and now he was taking notice of everything.
It continued that way throughout the day. School went by as usual and then he came home and did his homework in the living room while his Baba sang along to the radio in the kitchen. A-Die arrived home an hour later, right on schedule, and then they sat down and ate dinner together, just like they always did.
And, just like always, Lan Yuan went back to the living room after to finish up what was left of his homework before he was allowed to watch tv. His parents stayed in the kitchen together, talking in low voices as they cleaned up. It was completely routine.
What wasn't routine was the low, muffled moan.
They couldn't be - in the kitchen? It was still daylight out! He was right here in the other room!
But, especially after last night, there was no mistaking that sound.
Lan Yuan slithered off the couch, tiptoeing around the far side of the room and, when he was close enough, took a hesitant peak around the doorway.
A-Die was on his knees, bracketing Baba up against the counter, and the look on his mother's face was ecstasy.
It wasn't until he saw his A-Die's head begin to bob and heard the wet, choking gurgles that he realized what he was seeing. His father was giving his mother a blow job, right here in the kitchen in broad daylight while Lan Yuan was just a room away.
His cock twitched in his jeans, just the thought of it making him tingle, and he wasted no time ripping his fly open and shoving his hand into his underwear. He got an actual grip this time, marveling absently at how different his cock felt when it was all big and hard like this, and began to stroke at the pace his father had set.
"Lan Zhan," Baba panted, voice warped by pleasure and the hand covering most of his mouth. "Lan Zhan, Lan Zhan, gonna - "
His A-Die wrapped an arm around Baba's thighs and pulled, until his face was smooshed against Baba's tummy, and then his mother was crying out, hips twitching and eyes rolling up, mouth open and drooling, and the sight of it had Lan Yuan following right after.
Only breathing could be heard for a moment, and then a huffed laugh as Baba pushed A-Die away gently. "You're such a menace, Lan Zhan. You know A-Yuan is just in the other room. What if he'd seen?"
"Won't," A-Die shrugged, smug, and stood like nothing at all had happened. "TV is on."
"That doesn't guarantee anything, you brute," his Baba had probably been going for scolding and had missed by a mile, still too breathless. "And to do it when I can't retaliate! You're going to make me wait until tonight to make you feel just as good? What a cruel husband I have!"
"Mn," A-Die agreed, all amusement, and Lan Yuan took the chance to beat a hasty - quiet - retreat to the bathroom.
So.... That was a thing. That had happened. Right in the kitchen.
Had they been doing this the whole time, and Lan Yuan was just oblivious? He was pretty sure they had no clue that he'd witnessed them - twice - or they likely would be acting far differently. His parents could be shameless but even they probably had a limit and this surely must have crossed it, right? Or... did they know and want Lan Yuan to watch them?
Probably not, he decided as he watched his release circle down the drain from his now clean hand. It was far more likely that they'd been doing this the whole time and, secure in the knowledge that Lan Yuan hadn't caught them yet, continued on. Because, to them, there was no reason to stop now. To them, today was just the same as yesterday and the day before and the week before and the year before. Lan Yuan was the only one who'd changed.
He should really stop now. These were his parents. It was his A-Die, who'd carried him on his shoulders as a baby and let Lan Yuan sit in his lap and who'd pushed him on the swing. This was his Baba, who'd cuddled him when he was lonely and had read him stories before bed with all the different voices and who gave the absolute best hugs ever. He loved them and they loved him and he shouldn't twist that into something like this. He had to stop.
He had to.
Lan Yuan didn't stop.
It wasn't that he didn't try to. Really! That night when he couldn't fall asleep, when he heard the distant moans of his Baba and the thumping of the headboard against the wall, he'd turned away from it, determined not to touch himself no matter how hard he got. And he did it! He resisted the entire night, even as his mother got louder, even as they went on and on and on. He didn't touch himself once, even when it got almost painful.
He was proud of himself, even as he was also frustrated, and skipped down to breakfast the next morning with an extra bounce in his step. Baba had noticed and immediately set in to teasing him, calling him a little bunny rabbit, and Lan Yuan had pouted and protested and laughed and the morning had gone on like normal. That night, after dinner, he ignored the suspicious noises coming from the kitchen, keeping his attention solidly on the tv until his parents joined him. And then, at 9 sharp, he was sent to get ready for bed.
This went on for two more days before he broke.
It was just that he noticed all the time, now! He could no longer live in blissful ignorance. Every muffled noise led to his parents having sex, at all hours of the day, in every room of the house. Sometimes not even in the house! He'd returned early one day from Jingyi's house to find them in the backyard, his Baba obviously having been in the process of hanging the clean linens to dry. Except his A-Die had interrupted, hands on his mother's hips and cock driving into him from behind like they weren't outside in the middle of the afternoon. Lan Yuan had watched from the patio door, unable to tear his gaze away from such an obscene sight, until his Baba had wailed and splattered all over the sheet he'd been clutching to for dear life. A-Die had rammed inside twice more, hard enough to shake Baba's entire body, and then he'd stayed there. Releasing inside, Lan Yuan had realized, and then had hurried up to his room, lasting only long enough to close the door before he came - untouched! - inside his pants.
On and on it went, and Lan Yuan had no idea how he could've been so oblivious before this. How had he missed all this? How had he possibly missed them fucking all the time, whether he was home or not? And he always knew when they did, now, even if he hadn't heard or seen it, because now he was noticing the new bruises that appeared on his Baba's neck and wrists, was noticing the odd way he'd walk and sit after he'd been fucked, was noticing the uniquely smug look his A-Die would have as the man took notice of the same things.
It was like there was no escape. He couldn't just block his ears at night and ignore it. Ignoring it, now that he knew, would take being blind and deaf. In order to avoid it, he'd have to never be home at all, and it wasn't like he could get away with that without arousing suspicion. And then what? Tell his parents everything he'd seen and heard them do? There was no way he could do that! Not only would they probably be horrified and feel terrible about it, they'd stop doing it as well!
And... even beyond Lan Yuan not wanting them to stop, not really, for his own perverted benefit.... They were happy. His parents were so, so happy to be together like that. They joked and teased each other constantly, always showered love and praise on each other during the act. They wouldn't do it so often if they didn't love it, after all, and Lan Yuan didn't want to be the one to take that away from them.
And so he said nothing and continued to suffer. And, two days after his resolution to no longer touch himself to his parents having sex, he broke.
No matter what else they did during the day, so far, his parents always had sex at night. Lan Yuan went to bed at 9, just like every night, and then settled in to wait, already prepared for a night of gripping the sheets in an effort not to touch. He wasn't surprised when the moans started up.
He was surprised at how loud they were.
And that was when he realized that he'd left his door cracked and, judging by volume, his parents had never made it to their own room.
"Lan Zhan!" Baba was hissing. "Come on, just a few more steps, our room is right there!"
"No," A-Die answered and then the shifted of clothes and Baba moaned, loud and unrestrained, followed by the sounds he'd learned meant his father had entered his mother and was beginning to thrust, and Lan Yuan couldn't just lay here and ignore this, he couldn't, they had to be right outside!
His resolved broke like it had never existed and Lan Yuan was fisting himself frantically, biting his pillowcase to muffle his own sounds as he listened to the filth happening just feet away.
"Ah! La - Lan Zhan, we - ah - we have to - " Baba keened loudly. It sounded like he was raking his nail along the wall, likely searching for some kind of purchase, which meant A-Die was taking him from behind. "A - A-Yuan - " Lan Yuan jerked at the sound of his name being panted from his Baba's lips in this situation, " - his door! Ah, ah, there, please, his door is open!"
"Won't wake," A-Die promised, sounding so sure, and Lan Yuan almost wanted to laugh, because he'd never heard his father be so wrong before. "And if he does, we'll tell him we're giving him a younger sibling. Aren't we, Wei Ying?"
Baba wailed, and Lan Yuan knew that meant he'd come, and still his A-Die didn't slow down for a moment. The wet sounds of his thrusts continued, harsh and deep, until Baba was sobbing and begging him to stop, to slow down, to be gentle. A-Die acted like he'd heard nothing at all, and Lan Yuan knew this should probably worry him, that his father would keep going even after his mother had asked him to stop, but instead it just resulted in him finding his own release with a muffled noise.
Still, his door was open, and his parents really were right there. Silence reigned for a long moment, none of them making a single movement and then his Baba was calling out, hesitant, "A-Yuan?"
Lan Yuan, of course, said nothing, only continued to lay there frozen as his heart hammered away. There was the sound of shuffling, his mother hissing out, "I told you!" And then - and then -
A moan, pained and pleasured, as the sound of fucking resumed without them taking a single step away.
They knew, that had to know, right? That Lan Yuan was in here, awake and listening? Just as he recognized their sounds for what they were, they had to have recognized his, right? Right?
"Louder," A-Die ordered, followed by the sound of smacked skin on skin, and Baba yelped. "Louder."
"No!" His mother protested, sounding tearful, and Lan Yuan's gut clenched with heat. He should hate this. He should be so disgusted by this. Instead, his cock was already filling back up. "No, he'll hear - he - he's - we can't!"
"Louder," was all his A-Die said, and then seemed to take his own advice as the sound of his pounding became louder, harsher, sharper. Baba seemed beyond words, moaning with no restraint left, little, "ah, ah, ah" sounds broken up by sobs.
And then suddenly he was screaming, "There! There, there, husband, there! Again! Fuck me, harder, fuck, come in me, mess me up, make me yours!"
Lan Yuan gasped, having never heard those kind of words come from his mother no matter how often he'd seen them together now, and whined as pleasure zinged straight through him. He'd begun to mindlessly rock his hips, now, not paying any attention at all to the sounds he was making anymore.
A-Die hummed, sounding pleased, and then asked, "Do you want to make A-Yuan a sibling? Want him to know that we're doing this for him? Don't you want to tell him?"
"Ah!" Baba gasped, panting and sobbing. "Please, yes! Make me pregnant, knock me up! A-Yuan, A-Yuan, we're gonna give you a little brother! Your A-Die's gonna fill me up with his come! I'm - I'm gonna -!"
"Come," A-Die ordered, and Lan Yuan followed his mother right over into ecstasy, hips grinding down into the mattress as waves of pleasure crashed into him. His mother had called out to him - not just saying his name offhandedly, he'd talked directly to Lan Yuan, like he'd known he was listening and enjoying the show.
He panted, after, distantly listening as his dazed mother was gathered up and herded down the hall and to their room. He was on the brink of sleep, mind blanked and blissed out, so it might have been wishful thinking. It might have only been a dream, something he imagined after all of that. But, while he couldn't be certain, he was pretty sure he heard it.
His A-Die, right before walking away, saying fondly, "Good night, A-Yuan."