1 - 20 of 204 Works in Sunday Has OCD (Honkai: Star Rail)
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What happens to a bird that gets too curious? What happens to a cage when it’s left empty for too long?
What happens when they discover a new world that was just not meant to be? Sunday, ever still so new to the Express, finds himself mesmerised by the sight of Amphoreus, and being ever so curious, he decides to come along with Caelus and Dan Heng, to find what lies beyond that floating infinity symbol, and discover what happens when curiosity turns to danger.
As they adventure further throughout Amphoreus, more things pile upon their plate. With an enigmatic Professor that Sunday has yet to see, and with each other’s own demons to battle, the Trailblazers must find their peace before it becomes too late to reach out for it.
[THIS MIGHT BE SEPARATED INTO BOOKS IF I GO OVER 30 CHAPTERS - which I hope does not happen, but it’s a given. THIS WILL BE UPDATED ACCORDINGLY IF IT DOES HAPPEN].
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Rebuild the end of the world with me by Moonlightabove
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
03 Feb 2026
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Earth has been abandoned for decades now as it was deemed to be unlivable. Animals, plants and everything had died, the oxygen was gone and the only way for human kind to live was to move to space.
This was 40 years ago, humans have built life in space and has sworn that earth was dangerous and how it was still the way back in when they first left.
They found a way to create oxygen even with limited resources in plants and food through lots of experiments and research.
Life was... peaceful and normal for everyone. A whole station that kept humans happy and alive while deeming the earth is the devil to this day.
And yet.... Sunday can't help but feel curious.
And while his Father, gopher wood one of the head at the station, has tried to tell him over and over to never go to Earth, Sunday ends up doing the opposite.
However someone, who he had sworn hated him, has tagged along with him and even more weird is he starts to look at this man differently over time.
Perhaps he wasn't as bad as Sunday made him to be.
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Underneath The Blinding Light by WorldsBestScarameow
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
03 Feb 2026
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While Sunday grapples with poor mental health that seems to just get worse, at least he can become someone else on stage. Underneath the stage lights nothing else matters... except maybe his charming co-star, who happens to be an old flame.
Aventurine may have abysmal self image but on stage he can become someone entirely different. The rush of performing is like a bandaid over everything that has ever been wrong with him.
Too bad his co-star is his ex... and he is just as beautiful as ever. -
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A small town in Texas drowns in peculiarities. Goats disappear; kids die inexplicably. When the sheriff is near to uncover the truth, he dies, too.
Replacing him is Gallagher, with the role of scavenging through oddities to solve a rather morbid case. As she suspects, gruesome rituals seem to happen among the flock of the local church…
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in which Gallagher falls in love with Sunday, a cult leader. -
To Hatch a Charmony Dove, One Must Be Patient by Lutrinaes
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
31 Jan 2026
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"One day, after dinner, A young Charmony Dove was struggling in a mire of cold and loneliness. It didn't know what what truly wrong with it, not yet of course, but it still struggled and fought against any threats it perceived."
"This struggle split the poor Charmony Dove into fragments, and it retreated back into its egg to never recover. However, when the egg was brought inside, welcomed into a warm embrace, it still refused to hatch, even if the egg brought it great pain."
"This story, dear Trailblazers, is the story of how that egg was broken." -
Halovian against the storm by Katharine_draws
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
31 Jan 2026
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After the trailblazing mission that was ampherous, it was proved again that the crew needed a much deserved vacationing. So they got one! But well…with being a trailblazer something always seems to go wrong.
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Honkai Star Rail: Earth Arc by Closettttt
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
31 Jan 2026
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Just a HSR X actual real life wholesome little thing. Imagine Belobog but actual IRL and without Cocolia or her being controlled by the Stellaron(plenty of other replacements though). Set in 2XXX, no historical stuff because I'd rather not find a way to justify shit. Imagine this as if Amphoreus didn't happen or doesn't happen yet, like a alternate side story or something.
It's probably not gonna be too...long? I hope? Will try to post every week
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Timeless Love | Sunday by Mystxcfire
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game), Voltron: Legendary Defender
30 Jan 2026
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They were pen-pals.
That was the term that he gave to Sunday.
He was a human. Like Mr. Welt.
It was strange that Sunday managed to get a pen-pal with a human, of all species, but when everything went black, Sunday knows he was wrong.
𝑊𝑟𝑜𝑛𝑔. 𝑊𝑟𝑜𝑛𝑔. 𝑊𝑟𝑜𝑛𝑔.
His body felt like it was hot and being ripped apart yet, he was fully conscious. He knows this isn't a dream, all.
Something happened. Something that only his pen-pal knows.
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Some short Sunday x reader oneshots. Pretty kinky, and mainly with strap-ons.
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Because of a small incident in the priory where he has taken his vows, Father Sunday is delegated to Our Lady of Perpetual Fortitude. Little does he know, he’s not only unwelcome, but also a lurid secret crawls beneath the kind façade of the community.
And when Father Gopher dies, accusatory fingers point all at Father Sunday.
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Sunday is in trouble. Gallagher helps out. -
Ripples of a Promised Tomorrow by ClublessEmo
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game), 原神 | Genshin Impact (Video Game)
26 Jan 2026
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As the Bronze Melodia and the head of the Oak Family, Sunday has to be composed, ‘perfect’. Any flaw can cause the Family's fall down as he is also technically the head of the entire Family. A proper, elegant man.
“Sunday Oak, current head of the Oak Family. The Tree lineage and one of the five branches of the Family. Who are supposedly worshipping this ‘Aeon’ Xipe. He was appointed not long after Gopher Wood's Accident.
He has a sister named Robin, a famous singer throughout Teyvat.
This whole ‘Aeon’ thing and what the Family is doing is blocking Fatui's operations within Fontaine. And our intel says that they have this ‘Stellaron’ thing with them. It is dubbed as ‘cancer of all worlds’. If they decide to use that against us we will stand no chance as they seemingly know something beyond this sky.”
Or
Sunday have become the 12th Harbinger. And things happen... Let's see how bad can it possibly be shall we?
Series
- Part 3 of Sunday x Scara shills because i can <3
- Part 1 of Fatui Harbinger Sunday!
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Crooked Halo (Fallen Angel) by orphan_account
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
25 Jan 2026
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His fingers rubbed against the fabric before more uncomfortable thoughts slipped past his defenses.
Do it. Don’t.
You should do it.
- Language:
- English
- Words:
- 618
- Chapters:
- 1/1
- Kudos:
- 9
- Hits:
- 81
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Sunday Oak, Veritas Ratio, and Aventurine of Stratagem’s Conciliatory Meeting by LoorWrites
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
22 Jan 2026
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“Eyes on the prize, Doc, we got an angel to harass. I mean… interrogate. Wait,” Aventurine paused, trying his best not to out his highly suspect plans, but nothing he said seemed to actually set off any red flags for the Trailblazer.
“Whatever. Just don’t make too much of a mess or Pompom will get mad.”
“Understood, boss,” Aventurine grinned.
They spotted Sunday soon after stepping into the Party Car (Veritas very much did NOT recognize this car). The Halovian did a double take, looking up from the book he was reading, making direct eye contact with Veritas and Aventurine, then returning his gaze to the book. He muttered something to himself before raising his eyes again and smiling softly. “Gentlemen.”
“Mister Sunday,” Aventurine returned his smile.
An awkward silence stretched on before Sunday cleared his throat. “May we borrow your room for a moment, Trailblazer?” he asked, setting the book down.
“Sure. Don’t break anything,” Stelle nodded.
“I’m sure that won’t be a problem,” Sunday assured her, shooting an accusatory glance at the two visitors.Three enemies reconcile through unconventional methods.
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"You can't drive??"
In the Astral Express' parlor car, the blurted question hopelessly echoes throughout the thick walls and windows.
"..Unfortunately, no,” Sunday admits, his head somewhat hung in shame.
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And so encouraged by peer pressure, among other things, Sunday embarks for Penacony to get...a driving license.Things change yet stay the same. When he arrives at the place, he's met with a familiar blonde "merchant".
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*Beep
beep*"Somebody called for exposure therapy?"
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Crumbling to ashes, fading to dust by wondrousfae
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
20 Jan 2026
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Summary
—————
More and more supernatural things have been happening throughout penacony and Sunday and Emi are starting to get worried.
- Language:
- English
- Words:
- 2,464
- Chapters:
- 1/1
- Hits:
- 6
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To Have Faith is to Have Wings by injuredmoth
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
18 Jan 2026
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After the events on Penacony, Sunday seeks to separate himself from the Other, craving the freedom that came with being a human. All that he has left are ghosts of his past and the habits that he’d grown up being taught, and the person in the mirror has nothing left to give him. To have faith is to have wings; to be human is to be free.
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The Start of a new Journey amongst the stars by wondrousfae
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
18 Jan 2026
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( AU for Honkai: Star Rail including Ocs. )
The Astral Express sets foot on penacony and is yet to discover all this planets secrets.
Arriving they are met by three halovians with the names of Robin, Sunday and Emi who then guide them around.
Stelle then goes to her room and is met with an unwelcome intruder.
Emi and Sunday also get interrupted by a certain masked fool while talking in his office.
Series
- Part 1 of Oh sweet Dream, don‘t you leave me now
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highest fall you'll ever grace by the_unseelie_lord
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
18 Jan 2026
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Summary
“Are you aware of the growing field of research investigating the relationship between shame and sexual preferences?”
“Amber Lord preserve us, here we go again.” Sunday watched as Aventurine rolled his eyes, huffing out a startled breath when Aventurine suddenly slumped forward, letting his forehead thud against Sunday’s chest. “How many times do I need to tell you that the only person who gets turned on by academic articles is you, doctor?”
What started out as IPC-mandated parole visits from Dr. Ratio and Aventurine turned into weekly dinners. And now, perhaps, they are turning into something more.
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Trapped in a church, Sunday learns to obey the rules at a young age. But one day he meets a boy at a festival that changes the way he views the world. Will he stay devoted to his faith or learn to live a normal life?
(name is from a Maebi song and album)
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Despite their angelic reputation, Halovians are no less bound by their bodies as anyone else. Even those supposedly perfect will have their issues, and when left to fester, they’ll only get worse. No matter how much Sunday wishes to separate himself from his body, he is now stuck in reality and forced to address the problems he had hoped to leave behind once in the blissful dream. Forced awake after so long dreaming, it’s so much worse than before, and he is no better than any fearful little charmony dove
Have you ever seen a dove try to build a nest? It’s so pathetic you just feel bad for the stupid thing.
(Sunday has a lot of problems and at this point he has no choice but to get rehabilitated by the humans around him like the neglected rescue bird he is)