1 - 20 of 424 Works in Saiki Kusuo/Teruhashi Kokomi
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I Opened Everything To You, Why Don't you Care? by sillyyaoi10101lolzk
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
05 Jan 2026
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Summary
Saiki and Teruhashi hold a dear conversation, which is interrupted by a various amount of nonsense.
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Group Chat of Chaos 2026 by Writer6188
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
01 Jan 2026
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Summary
The reasonably popular Group Chat of Chaos continues, now with a new look! Let the insanity begin again in 2026!
Ignore the "part 6." That number includes private chat spinoffs from the previous two years.
Series
- Part 6 of Group Chat of Chaos and Spinoffs
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A Universal Constant by VaellintheBard
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
31 Dec 2025
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Summary: There are a few universal constants in this world. Saiki’s a psychic with ever growing power, Nendo is an idiot who’s brain is empty of all thoughts, Mera is a glutton without the income to support her appetite, and Teruhashi is a pretty girl who is loved by God. What happens when two of those constants collide? Two people are going to find themselves in a very awkward situation, but one that will be the best opportunity to grow. (SaiTeru fic)
Officially updating Tuesday/Wednesday every week!
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Shining Light by Creambread
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
30 Dec 2025
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Summary
When Teruhashi Kokomi realizes she has transmigrated as the main character of her own novel, she decides to live life to the fullest while seeking a way back home.
The only problem is…. she dies in the end. But that’s alright, for there is nothing a transmigrating lady blessed by god can’t handle!! …Right?
While investigating her new world, she notices Saiki Kusuo, the novel’s male lead, seems to be acting rather strange.
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Saiki K: The reveal by SayakaShimizu
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
30 Dec 2025
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Summary
So basically every member of PK academy gets teleported somewhere and reacts to the disastrous life of Saiki k. Kinda a Gacha reacts story but they are reacting to their show.
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Kiss Me and Tell Me You Don't Love Me by Justanotherfannerd
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 Dec 2025
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Summary
Saiki lost his powers and got them back. Too bad he has a lot of hiccups with his powers now. And if they always seem to fail right when he needs them the most to get out of numerous situations with the self-proclaimed perfect pretty girl? Well. The two teens will blame it on god, but everyone reading can blame it on me!
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Strawberry Milk (Cont.) by lionnee for bannock_blossom
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 Dec 2025
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!! This is a continuation of the original work. I have been given permission to do so. !!
Reita decides he'd very much like to seduce his jerky master after having a wet dream about him but gets handed the rejection to end all rejections when Saiki flees the country to America!
Fate or coincedence drops Saiki back into Reita's arms a few years later and hands Reita the perfect in.
Saiki, it turns out, is broke AF.
So Reita decides he's gonna be Saiki's sugar daddy.
For his part, Kusuo is less than amused. -
Hide and Seek by geometry (NotQuiteMe)
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 Dec 2025
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Summary
The bell rang as Saiki entered the classroom, forcing Teruhashi to her seat with a sigh. The two made eye contact as Saiki sat down across the aisle from her. She could swear she saw him smirk for the briefest moment.
Ugh! Poor timing again. I’ll get you later, Saiki! You can’t evade me forever!
Saiki glanced up at her, only to catch her staring from behind her dark blue bangs. She tried to play it off as reading something behind him, but he saw right through her. Sorry Teruhashi – you may have God on your side, but I’ve got divine powers of my own.
I'll get you today, Saiki! I know I will, she thought to herself as she schemed about ways to find him.
He shook his head. Teruhashi, you’re a formidable opponent. Though, you won't find me, he thought.
But keep looking... said a tiny part of him.
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saiki kusuo wants to keep his distance; teruhashi kokomi wants to close it. it's an unresolvable dilemma that locks the two in an unspoken duel of schemes, trickery, and maybe even a little deception. it's just a friendly little game of cat and mouse-- until someone gets hurt. but one has to lose for the other to win... right?
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Alternative Universe: Jinx by StrippedPajamas100
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
28 Dec 2025
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Summary
Saiki Kusuo is at the top of the Judo world, but a jinx weighs heavily down upon his success.
Thankfully, his new physical therapist is set to help him out.
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Teruhashi Kokomi is, quite frankly, bored of her civic life at the small, remote hospital on the east side of Japan. Hence, after receiving an offer from one of her higher-profile patients, she starts anew in bustling—and terrifyingly foreign—Tokyo as a physical therapist for one of Psychic S.’s sports teams.Excited to experience a new living and work environment, Teruhashi Kokomi doesn’t realize she’ll be changing not just one, but two lives.
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get me out of this poorly written hell by yamimarr
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
25 Dec 2025
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Summary
Saiki realizes he's in a fanfiction, and he isn't happy.
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Group Chat of Chaos 2024-25 by Writer6188
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
25 Dec 2025
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Summary
Yumehara creates a group chat with virtually everyone, and it can only end in uncontrollable chaos.
Read and enjoy as this group of old aibōs from PK Academy navigate Toritsuka's arrest, Rifuta's life as a popstar, Kaidō's home life undergoing significant changes, and Mera's life turning upside down, all the while dealing with truly obnoxious (and sometimes obsessive) behaviour for birthdays, holidays, or sometimes just for the hell of it!
Series
- Part 1 of Group Chat of Chaos and Spinoffs
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Christmas Calamity! by AdventReader (Writer6188)
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
24 Dec 2025
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Summary
Just then, though, the pain in the psychic's head intensified ten-fold, in the way he knew all too well: he was getting a premonition. Images spilled into his mind for a good minute or two, showing him his friends suffering sleepless nights, failed attempts at studying, collapsing in the halls once again (even Hairo), and low exam results. It was shocking to see, and therefore worrying. He knew those companions of his needed to do better than that, because the results of that one set of tests they only did once would determine what they'd be 'allowed' to do for the rest of their lives…
Saiki got a premonition and he had to make a change to how the winter holidays worked in Japan. Everyone rejoiced! However, this resulted in a Christmas party at Saiko Land, and he had to go because the Room of Sweets was there.
Predictably, things would go wrong. A party-crasher would arrive at the worst possible moment, planting the seeds that would uproot everyone's lives and bring about his own downfall. The story that has yet to be named begins here.
Series
- Part 1 of Untitled
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Oh, Wow! This Literal Goddess Is Dating Some Guy Called Saiki! by propogandathebear
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
22 Dec 2025
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Kokomi the English teacher is the most perfect pretty girl to ever walk this earth. Everyone wanted to marry her. Kaede was desperate to know who had managed to pull it off.
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Being alone with you makes me nervous. by dokidokiri
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
22 Dec 2025
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Summary
Saiki had accepted Teruhashi's feelings for him at this point. For whatever reason, she seemed to genuinely like him, and it was no longer just a fleeting crush born out of a bruised ego and built on relentless schemes to gain his affections.
Now he had to accept his own feelings.
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Some Saiki/Teruhashi one shots by Donotexpectmuch
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
20 Dec 2025
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Summary
Just a collection of one shots featuring Saiki and Teruhashi. Nothing too fancy
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Green is a Color that I Don't Wear by serenacayne
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
20 Dec 2025
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Summary
Saiki and his friends finally graduate high school, but Saiki fails to rid himself of his psychic powers—though he does escape the endless loop of repeating his second year and gains a semblance of normal life. All of them end up at the same university, much to Saiki’s dismay, yet the first month passes peacefully despite new annoyances.
That calm ends when Teruhashi reveals she’s dating Saiko. Initially indifferent, Saiki slowly realizes he’s feeling jealousy and frustration—emotions new to him. As these feelings grow, he becomes distant toward Teruhashi, until they eventually boil over and lead to a confrontation between them.
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'Oh wow!' by soleil_30612
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
16 Dec 2025
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Summary
Teruhashi Kokomi has been watching a certain Saiki Kusuo for a few weeks now.
So, you might be asking, why would a perfect pretty boy like Teruhashi Kokomi possibly want something to do with such an average girl? Obviously, there's a good, perfectly acceptable reasoning behind this… because Saiki is the only person, out of this whole entire world, to never have said ‘Oh wow!’ to Kokomi. Even when the boy went out of his way to make her say it, the girl still refused to say those two simple words.
Here's the story of how a very determined Kokomi and a very annoyed Kusuo realize their feelings!
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The Perfect Pretty Princess and Her Psychic Knight by x_quackers_x
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
15 Dec 2025
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Summary
Someone in a TikTok comment section gave me this idea, so thank you to them!!
Kusuo Saiki is the head knight for Princess Teruhashi Kokomi. And he HATES it! But does he really?
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Save Me, Save You by cheldd
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
13 Dec 2025
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Summary
"You didn't just save me. You empowered me to save myself."
Unknowingly, they changed each other's fate as strangers. Inspiration, motivation, and change sprung from their encounters with one another. However, will they be able to recognize each other as the one who saved them when their paths cross again?
Kuboyasu Aren x OC
Published 09.02.2025
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Even Flow by Somethingfunnymaybe
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
13 Dec 2025
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Summary
Saiki's powers come back with a vengeance after destroying the meteor, and after a few slip ups, his life continues its disastrous trajectory. His powers are unruly, and he's become much closer to his classmate whom he definitely is not getting too attached to. Saiki now has to balance his growing strength, deteriorating relationships, and flourishing ones as well.