Best One-Shot RuiKasa Fanfics
RuiKasa one-shots under 10k words — a complete read in one sitting. All curated from AO3 and ranked by kudos.
Top 12 One-Shot RuiKasa Fanfics
Ranked by AO3 kudos. Mid-length RuiKasa fics — short stories under 10,000 words.
heartbeats and whatnot
by mikharlow
Rui is absolutely head over heels for Tsukasa, and has no idea how to express it. Tsukasa is completely oblivious and still figuring things out. But they'll figure it out together, probably.
slip of the tongue
by mikharlow
Tsukasa thinks Rui is cute. Apparently, that's not a common opinion.
sick day
by mikharlow
Rui's fallen sick, and Tsukasa's instincts kick in.
make me like you
by lerolie
Tsukasa really likes Rui's hair... but in a completely platonic and not at all romantic way.
a surprising revelation
by mikharlow
Rui's perfectly fine with PDA, except for one thing in particular. Tsukasa wants to know why.
caramelized
by mikharlow
Rui brings a pack of pocky with him to school, and Tsukasa takes interest.Happy pocky day!
because it's you
by sleepy_macchi
Looking at Tsukasa like this, close as they are with the wind blowing at their backs, Rui wonders if there would ever come a day where he wouldn’t find Tsukasa to be the most interesting boy in the world – a day where he would get tired of the star’s brightness and deem him as nothing more than a bu
act one, scene five
by megidolaon
“I’m particularly fond of the scene where Romeo and Juliet meet for the first time, you see,” Rui begins. He moves one foot forward, and Tsukasa reflexively moves one back. Oh, Tsukasa thinks, he wants us to dance.
Kusanagi Nene's Guide to Matchmaking: for Dummies
by mintgreyashes
Sunset spills over the concrete tiles of the school rooftop. It’s a beautiful day, complete with the faint chirp of birdsong and the rustling of leaves in the distance.“Is this a joke?” Rui’s words, sharp and clipped, echo in the empty space. He says nothing else, but his hands begin to clench. Ther
thought experiments
by mikharlow
Tsukasa has a lot of thoughts about Rui. Apparently, it's mutual.
Tsukasa Tenma and his well-hidden anxiety
by MoonJelly_fool
It was supposed to be another normal rehearsal.So why is he sitting in the middle of the stage, his head buried beneath his hands, as his cries are muffled by the floor beneath?ori saw the silly little dialogue thing abt tsukasa being shy when he was young and i made it sad as hell
midas touch
by staynight
Everything has been going well so far. Wonderlands x Showtime has taken off decently, and Rui and Tsukasa have still been meeting up in between college lectures, still passionate about their show discussions. Rui couldn’t ask for anything more, for sure…“Tsukasa-kun, what did you just say?”“I said,
Find More One-Shot RuiKasa Fics on AO3
AO3's filter sidebar lets you set a custom word-count range. Browse short stories under 10,000 words RuiKasa works sorted by kudos. Then read offline with Fanfict Reader.
Why Read One-Shot RuiKasa Fics?
One-shot RuiKasa fanfics — anything under 10,000 words — are the format of choice for sharp emotional payoffs, single-scene character studies, smutty interludes, and tropes that don't need a full arc to land. You finish them in one sitting.
Ideal for a commute, a lunch break, or right before bed when you don't want to start a 200,000-word fic at 11pm.
About This List
This list of 12one-shot RuiKasa fanfics spans 48,613 total words. Kudos range from 2,143 on the newest entries to 5,548 on the most established. Nearly all (100%) are complete, so you can start any of them without WIP anxiety. The most common rating is General Audiences (11 of 12 fics).
Recurring tags across this list: First Kiss · Mutual Pining · Fluff · Love Confessions · Friends to Lovers.
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