1 - 20 of 5,201 Works in Sunday (Honkai: Star Rail)
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Sunday had captured your heart from the first moment you'd laid eyes on him. His ear wings were the cutest thing you'd ever seen and his halo looked so cool but it was his smirk that solidified his place in your heart.
And now, after waiting for his banner for an entire year, you were finally going to have your very own Sunday. But what happened next would change your life forever.
OR
When you're magically transported into Honkai: Star Rail and come face to face with your favourite character.
Series
- Part 2 of Sunday x Reader Isekai Series
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May this star devour me whole by Sweetestch3rry
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
06 Jun 2026
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Dan Heng took the bottom of Caelus’s shirt and lifted it up to see where the blood was coming from and-
Aeons.
Caelus had a star shaped mark on his chest from the stellaron, Dan Heng knew this after Caelus joined the Astral Express. But now, that mark, and the skin around it, was littered with scratches. Some looked old, but the deepest scratches looked so…fresh. It was a stomach turning sight.
(please be mindful of the tags. if you know you can't handle these topics, please take care and don't read)
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The Stars Still Burn by BlossomingRosebud
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
06 Jun 2026
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The IPC Marketing Development Department's battle for control of Aeragan-Epharshel was as resolute as it was swift. Everything went as planned—at the end of the day, their drills were planted, their supply chain was connected, and the rebels who once sabotaged them were dead, by a "natural" disaster that no one could have prevented. Little did they know, then, that their actions would sow the seeds for a natural disaster of their own. Several years later, right after the battle with Irontomb, a new crisis takes the universe by storm, a plague of rot that can take down people and starfaring fleets alike. The Astral Express and their allies will fight to help the world like they always do, but despite having a common goal, not everyone is going to be all that happy about the secrets of the past being dragged into the light...
//Story written for June of Doom 2026!!
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To Set a Trail Ablaze by PencilofAwesomeness
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
05 Jun 2026
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Just when the Astral Express Crew begins to recover from Irontomb, an old foe of the Express, a notorious gang of space pirates, ambushes the Crew in order to take revenge for their defeat from nearly a decade ago. The game of this revenge? Targeting every Nameless who joined the Express after the first altercation. With the lives of the younger Crew members on the line, Himeko and Welt must gather what allies they can and set a new trail: to save every last member before it is too late.
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"The light is dimmed. Kaleidoscopic eyes that hold the secrets of the very Truth of the universe eye him with that dangerous, yet oh so charming glint. His smile is the one of death but, isn't of him every poet enamored?"
In the 20's during the age of Prohibition, aspiring writer and professor Veritas Ratio is unable to find success with his passion for the literary. Nevertheless, his strange meeting with Aventurine, a gangster and hired gun for the IPC, propiciates his introduction into a world much different from his own, with illegal booze, a group of outcast artists, and jazz.
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of broken stories and fallen feathers by blasqhemy
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
05 Jun 2026
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The crew returns to Belobog for a holiday. They accidentally come across a hotel. The hotel is perfect, almost unnervingly so.
But it's warm, and Sunday is very, very cold.
They don't realise anything is wrong, or that the hotel has an unfortunate track record of not letting any of its guests go. The Trailblazer tries to eat the furniture at some point.
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And Sunday falls asleep without meaning to, the gentle tides of sleep sweeping in, bringing him to rest amidst the embrace of a silent dark.
The Baroness doesn't let go of its guests, but the Astral Express doesn't let go of each other.
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the sweetest melody by cruellae (tinkabelladk)
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
05 Jun 2026
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"She has a daughter. Little over five years old. If I may say so, she's the spitting image of you, sir."
He reached into his pocket and pulled up a photo on his phone, handing it to Sunday. Sunday's heart lurched into his throat as he studied the little girl with gray hair and golden eyes, an unusually ornate halo hovering behind her head. She looked nothing at all like Ellia, and the spokes of her halo, shaped like open eyes, were a clear and damning indicator of parentage.
"I didn't know," Sunday whispered, staring at the child while his heart did something complicated and painful in his chest. "I never knew."
or: Sunday takes in a traumatized five-year-old and cares for her, with some sunturine on the side
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{I, KATRINA, DO NOT CONSENT MY FIC BEING FED TO AI}
Solis Filius, or Sunday, highest of the Seraphim and heir to the Godthrone—has lived his life in perfect devotion to the Aeon of Harmony.
His vows are absolute.
His faith unwavering.
His celibacy unquestioned.Until Xipe gives him a command he never expected.
Marry.
Torn between sacred oath and divine order, Sunday turns to the one person he has spent his life trying not to want. His childhood friend.
But loving them may prove more dangerous than disobedience. After all, anyone beneath the rank of Cherub who looks upon Sunday’s true face turns to ash.
And yet the will of an Aeon cannot be ignored.
May THEIR Harmony prevail.
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We're running these streets, we're the mustang kids
Only doing what we want and don't take no shit
Now you're a king or a boxer in a ring,
But I'm just me so I sing
The mustang kids are out.Or: Hsr chatfic full of drama, love, and something that only teenagers are aware of - kids cannot know such things and...well, adults end up forgetting it, but not those adults for sure.
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In the world of war, we choose peace by Tanuki_Furbobo
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game), 原神 | Genshin Impact (Video Game)
05 Jun 2026
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I dont actually know when ill update this but the minimum amount of time is two days and maximum is a month
basically, this takes place in world of oppression, and it focuses on normal people trying to live but getting caught up darker themes, romance might actually be a sub plot but it will appear and take the stage in later chapters.
pretty gorey overall but itll be soft at times, also this has multi perspective so there are a lot of unreliable narrators in here
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A Light I Wasn’t Meant to Keep by Lycaon_42
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
05 Jun 2026
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Two broken souls find comfort in one another. One lives with borrowed time, the other is a bird trapped by her own light. Yet in each other, they find something that feels like peace.
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Inventory of HSR: Whose Characters Will Break After Seeing the Truth? by Hotaru12
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game), 原神 | Genshin Impact (Video Game)
05 Jun 2026
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The Live Broadcast Room descends upon the Honkai: Star Rail Universe and Teyvat.
The broadcast starts immediately with the future plot, the Penacony chapter!
Aventurine: Three gambling chips are enough, all, or nothing!
Firefly: I dreamed of a barren land, a new sprout breaking through the earth... Moths flocking to the flame, born to die!
Acheron: May death end your long, drawn-out dream... leading you back to the world of clarity.
Mikhail: Having reached the end of the journey of life, I will leave this self-proclaimed precious flame in the deepest part of the dream, hoping to pass it on to the nameless guests of the next generation.
Ternan: Some things, even if meaningless, must ultimately be done.
Until the very end, Sunday descends!
“I shall ascend to the heavens, transforming into the Sun in the sky.”
“Multitudes shall flourish eagerly beneath my light, and all evil shall have no place to hide.”
“If your paradise can save more people, then cut off my path forward with your own hands.”
The First Day granted truth.
The Second Day granted the calendar.
The Third Day granted language.
...
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Falling Stars Across Japan by Account_Deleted_on_Chapter_2
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
05 Jun 2026
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A stellaron is found on Earth, and the Express goes to investigate. The train car sent malfunctions, and the group—Caelus, Stelle, March 7th, Sunday, and Dan Heng— are scattered across Japan.
Aizawa finds himself responsible for two rowdy twins, the League of Villains gains a mysterious guest, the HPSC takes interest in a newcomer, and two Stellaron Hunters find themselves with scripts involving the missing Nameless.
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My Dear Girlfriends [HSR AU] by StevenXd999
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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Caelus thought his biggest challenge at the Stellar Academy would be passing his Astronomy exams, but destiny trapped him in a chaotic orbit between the intensity of his childhood friend Cyrene, the mystery of the actress Castorice, and the tenderness of the brilliant engineer Firefly.
Unable to break their hearts, he decides to defy all logic and proposes the "Ternary System": an agreement of transparency and shared passion where the rules barely manage to contain jealousy and overflowing desire.
However, maintaining this delicate balance will be a monumental test of endurance, especially when his peculiar magnetism begins to transcend student boundaries, dangerously attracting the analytical gaze of the genius professor Herta and even the attention of the unreachable Idol Robin.
Can Caelus sustain this bridge of multiple loves without collapsing under the pressure, sleepless nights, and new variables threatening to add themselves to his equation?
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Mis Queridas Novias [HSR AU] by StevenXd999
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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Caelus creía que su mayor desafío en la Academia Estelar sería aprobar sus exámenes de Astronomía, pero el destino lo atrapó en una órbita caótica entre la intensidad de su amiga de la infancia Cyrene, el misterio de la actriz Castorice y la ternura de la brillante ingeniera Firefly.
Incapaz de romperles el corazón, decide desafiar toda lógica y propone el "Sistema Ternario": un acuerdo de transparencia y pasión compartida donde las reglas apenas logran contener los celos y el deseo desbordante.
Sin embargo, mantener este delicado equilibrio será una prueba de resistencia monumental, especialmente cuando su peculiar magnetismo comience a trascender los límites estudiantiles, atrayendo peligrosamente la mirada analítica de la genial profesora Herta e incluso la atención de la inalcanzable Idol Robin.
¿Podrá Caelus sostener este puente de amor múltiple sin colapsar ante la presión, las noches en vela y las nuevas variables que amenazan con sumarse a su ecuación?
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Flowers in my lungs- Sunheng Hanahaki AU by Star_2011
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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Sunday thought it was just a normal sickness and nothing that much serious, he was trying to rest his mind after the fight with Fulwish. But to his nightmare, what would happen if his sickness is not truly good involved with Shuhu and Yaoshi of his unrequited love with the Data Bank archive . Now he must choose once, do his surgery, confess his real feelings or worse die in his journey. What decision will Sunday take?
Or... Hanahaki Disease Sunheng, of a AU after 4.2 story and before the events of 4.3
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The Empire's Captive by Beware_ofPeoplewithSurnameQin
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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Aventurine, marked as the first capture target to reject one hundred hosts, is paradoxically bound to a system himself and becomes a transmigrator tasked with seducing high-value targets across worlds for experience points. Now, In an interstellar realm dominated by an oppressive Empire, Aventurine assumes the identity of a legendary Federation war hero, and targets the impossible: Veritas Ratio, the Empire's ruthless, beautiful Crown Prince. Through a calculated assassination attempt, Aventurine lands in Ratio's captivity. As favorability climbs from indifference toward genuine interest, the line between performance and authentic connection blurs dangerously.
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a more intimate initiation by mewnbuns
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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despite his past mistakes, sunday is trying his best to blend in as a new member of the astral express. so when a particularly surprising opportunity arises for him to get even closer to you and your boyfriend dan heng, well…. who is sunday to refuse your generosity.
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my camera roll full of bird pictures by angelick (zalzaires), zalzaires
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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microfiction collection of Sunday POV. you may see some prose from my other fics in here; this is where gen headcanon and speculation goes.
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Devotion Is A Sin (So Let Me Be Your Sinner) by hanataii
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
04 Jun 2026
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Sunday, still so new to the way of the Trailblaze, willingly allows himself to visit the world that even Akivili THEMSELF has never been to before. Following Dan Heng and Caelus, they slowly begin to unravel the perilous journey of exploring Amphoreus, and with an enigmatic Professor that Sunday is unsure of, they must come together to save themselves.
Book 1: Nikador’s Strife — Chapters 1-29
Book 2: Oronyx’s Calls — Chapters 30-52 approx.
Book 3: Janus’ Gate — Chapters 52-??