1 - 20 of 114 Works in Rifuta Imu/Teruhashi Kokomi
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The Rules of Engagement. by Strawbariicake
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
06 Oct 2025
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Summary
Saiki Kusuo is a good person. Push aside his lukewarm and apprehensive attitude, he's a decent human being. He tries to stay out of trouble; and thanks to his mom, has a strong moral code.
What happens when a shameless, reckless, and vicious boy, who lives knee-deep in Japan's homelessness and prostitution, wasn't as cruel as Saiki Kusuo made him out to be?
What if said boy was quickly running out of time and Saiki Kusuo, with all his powers, couldn't help.
Haha, jk, unless…
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The Psychic’s Nuisance by KaisersNumber1Glazer
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
06 Oct 2025
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Summary
Toritsuka bets that Saiki can't use his germanium ring for six months.
Saiki doesn't wanna lose.
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in the wake of you by zeriloki
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
05 Oct 2025
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Summary
attachments were a luxury for people who existed properly, not for psychic freaks who had to turn themselves inside out just to stand in the same room as everyone else.
one stray “oh,” from Kusuo and suddenly Kokomi is satisfied—her lifelong mission accomplished. She no longer needs to chase his attention, no longer needs to perform. Around Saiki, silence. Around Kuriko, warmth. Somehow, she’s more herself with the fake sister than with him. And Saiki’s stuck being bitter, confused, and maybe just a little jealous.
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Breaking Fate by Aiura-stan (UnwieldyNescience)
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
01 Oct 2025
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Summary
After taking an advanced class in love fortune telling, Aiura makes a surprising discovery: Saiki Kusuo has another soulmate. And another. And one more after that. …And a few dozen more to boot, and the number only seems to be climbing.
Like, what the hell?! He’s like, a soulmate magnet or something. But whatevs. They’re probably all platonic… right?
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Soulmate theory isn’t all it has cracked up to be. But this doesn’t mean it’s completely useless. Or completely powerless. -
Saiki K but it’s Danganronpa - Rewritten by RandomAnonymousperson64
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
09 Sep 2025
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Summary
After ten years, Akechi Touma has finally found a way to meet his childhood friend, Saiki Kusuo, at the prestigious high school PK Academy. However, some unexpected events have happened, as every student has been trapped to the school, forced to kill each other.
(Please read the notes before reading!)
- Language:
- English
- Words:
- 2,250
- Chapters:
- 1/1
- Kudos:
- 7
- Hits:
- 119
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Endless Summer Book 2 by MoonlitFlowers
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K., Endless Summer (Visual Novel)
22 Aug 2025
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Summary
After the Watchers' attack, the group have emerged six months into the future, but not all of them managed to escape. To save their friends and keep unravelling the mysteries of this island, Kusuo and the others will have to journey to the wildest reaches of La Huerta, where truly anything is possible. And there still remains the question: What are they going to do with Kurayami? And is he really as trustworthy as he says he is?
New allies, new enemies, budding romance, shocking revelations and a whole new bunch of mysteries and adventures await in the next installment of Kusuo Saiki's Endless Summer!Series
- Part 2 of Kusuo Saiki's Endless Summer
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Cinderella by gerardwayspinkiefinger
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
14 Aug 2025
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Summary
Kokomi Teruhashi is the most perfect, pretty girl but she is stuck in a bad situation. How can she get out while keeping her reputation in tact? And where did this fairy godmother come from?
A Saiki K Cinderella AU
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The Disastrous life of Saiki K-Unwilling teen romcom Protagonist by Kat_cantdance16
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
12 Aug 2025
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Summary
Kusuko Saiki wakes up one morning as the protagonist of a teen romcom-and a really cheesy one at that.
She's been through the same story ten times by now, trying to figure out how to escape back to her own universe. She's let go of her pride and chosen Teruhashi (who's still the annoyingly narcissistic boy he's always been), then when that didn't work she'd gone for Yumehara (who pinched himself every time he'd thought some…pretty gross…things about her). She'd tried choosing neither of them but that hadn't worked and then she'd even tried throwing the odd ball and choosing Aiura at one point (he'd accepted but just became a clingier friend).
This time, stirred on by a bathroom confession that she'd somehow never seen coming-Saiki chooses the one option she'd never considered: Minori Saiko, the stuck-up rich girl who'd been pushed into being her bully in this universe by some cruel twist of fate. Could this be the right ending, will she make it out of this with no feelings hurt?
And why does it seem like this time, those feelings include her own?
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Brother, i never have by Catsbigpaw13
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
12 Aug 2025
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Summary
Today may be my best day ever and my bad day ever
I'm teruhashi kokomi, the most perfect girl in the world, so I should have everything nice but I find out today, my own brother jeck off to me. Ew.
I was so down, that I don't greeted back to my fan. Did it matter, They all are after my body, can't I have a male figure who like me and find me pretty, not in a romantic way.The god was on her side as always. She did get someone!
Who is that mysterious person?
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Things unseen (Schizophrenic reader) by annon_author
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
07 Aug 2025
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Summary
For a while now, y/n has been seeing things. Hearing things too. Getting diagnosed with schizophrenia isn't fun, but it's not a death sentence. Taking the meds prescribed helps a lot. However, it's still something she wants to keep under wraps.
A pink haired psychic sees what she sees one day, through a rip in his glove. He's horrified, and can understand what she's going through. But he's curious now.
Why would she keep something like that secret? -
When Angels Kiss by Yolandarinao223
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 Jun 2025
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Summary
Rifuta Imu is going on a self-discovery journey. yippie! Also this story takes place in Nottingham, except I don't actually know what Nottingham is like.
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How to be okay: Kokomi Teruhashi by im_Kit, wolfinink
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
24 Jun 2025
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Summary
When Imu jumped off a cliff, Teruhashi's world crumbled around her. She fell apart, and exactly one month after her lover died, she jumped off the same cliff to rejoin her one love.
But this time Saiki was there to stop her, and revealed to her that Imu was in fact, alive and well.
A story of recovery, fluff and finding home in the strangest of places.
(slow updates)
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A Pink Duck In A Crowd Of Normal Ducks (Cancelled) by strawberryanya
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
11 Jun 2025
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Summary
Saiki Kusuo is autistic + other things
WARNINGS IN THE TAGS FOR CHAPTER 3
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im still into you by saikechism
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
05 Jun 2025
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Summary
Teruhashi is planning on confessing to Saiki before leaving high school, and Saiki calls someone special for help.
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More of a Reason by Optimum_Bee
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K., 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
01 Apr 2025
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Summary
Saiki Kusuo is sent to Demon Slayer. Now he has more of a reason to hide his powers.
(Sorry if you find the title & summary shitty. I couldn't really think of much.)
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Saiki K and the Collective Sexuality Crisis by the_lesbian_hedgehog
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
15 Mar 2025
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Summary
The break-ups of two straight couples leads to everyone questioning their sexuality and/or coming out. Saiki doesn't get it. The only things he is concerned about is helping Satou get through his break-up as unremarkably as possible - and to tell his friends that he is a psychic.
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Is it love? (Saiki Contemplates Everything) by Renkoo
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
21 Feb 2025
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Summary
Kusuo comes out to his friends as having powers and learns something new about himself.
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Pretty Lies (I’ll Be Yours, And You’ll Be Mine) by Anonymous
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
16 Feb 2025
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Summary
"I don't want anything to do with you."
"No? Then why are you still waiting here?"
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Kusuke and Makoto have been using each other to work through their massive sibling complexes. Now what?
[A fanfic of a fanfic, picking up where I'll Be Yours and You'll Be Mine left off. NOT abandoned as of March 2025, I'm just busy lol]
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Rent-a-Glutton by Peachy_Petals
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
10 Feb 2025
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Summary
Kusuo recruits Chisato as his fake girlfriend. He pays her in chicken nuggets.
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I'll Be Yours, And You’ll Be Mine by Anonymous
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 Jan 2025
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Summary
(DISCLAIMER! originally posted by ainsleymourning, I don't want any credit I just want this fic to be back on ao3. once i'm done uploading all the chapters that are left, I will be orphaning this fic.)
“Leaving already?” Kusuke chimes with laughter, and Makoto only turns back around to bite more insults at him, but Kusuke speaks first. “Maybe we can help each other.”
“Help each other?” Makoto repeats. He wants nothing to do with Kusuke already. “I’m not interested.”
Kusuke pouts mockingly. “Aww, you’re not even going to hear me out? I think you’d like it.”
Makoto grunts. He’s curious again, and he folds his arms and taps his foot impatiently. “Well? Spit it out already.”
(Or -- in which two disgusting idiots pretend to be each others’ siblings in a feeble attempt to satisfy themselves, and accidentally wind up falling in love in the process.)