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Mind Reader by discombobulatedmango
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
04 Jan 2026
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Summary
Saiki Kusuo considered you a close friend, given you had known each other since you were kids — mostly because he couldn't use his psychic powers on you, so your thoughts never created any unneccessary noise. In a sense, both of you seemed to understand one another.
However, when more people start hanging around him, you're quickly pulled into their odd friend group — and the experiences you go through are nothing short of disasterous. So much so that they start bringing your friendship with the psychic into question.
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Another Disaster by crzy_bish
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
02 Jan 2026
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Summary
Reader is immune to all of Saiki Kusuo's powers which lead to her being traumatized half her life basically. also yeah thats..thats all. Idk how to write a summary, if i do figure it out though and if theres a way to edit the summary. I will fix this crappy shit-ass summary.
Please read this.
- Language:
- English
- Words:
- 4,470
- Chapters:
- 1/?
- Hits:
- 0
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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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Summary
!! 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. -
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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Immunity: a fan edit + continuation by Kiwi_Tree
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
08 Dec 2025
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I've been trying my hardest to find contact the author on a few different social media sites with no luck so I've decided to just upload the edit. I WILL TAKE THIS DOWN IF THE ORIGINAL AUTHOR WANTS/TELLS ME TO!! all credit for the original fic goes to the original author (should be tagged above.. somewhere...)
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𝗦𝗘𝗔𝗦𝗢𝗡 𝟭 𝗦𝗨𝗠𝗠𝗔𝗥𝗬:
— 𝗜𝗡 𝗪𝗛𝗜𝗖𝗛 a person too self-aware of the world around them that they’re immune to the supernatural powers of a certain psychic
OR
The psychic fell for a money-grubbing scum, much to his dismay.
Kusuo Saiki/Tono Kanemoto (oc) -
"Spy" is just "PSI" mixed up by Geoduck
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K., SPY x FAMILY (Manga), SPY x FAMILY (Anime)
07 Dec 2025
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Summary
By that time I’m around the corner and I see them. I would have looked at them earlier with clairvoyance, but I don't like crossing my eyes when I'm around people. The woman is a lot taller than mom. She's a westerner, which is a surprise.
“Oh, here he comes now! Ku, over here!” Mom waves at me to catch my attention, as if there’s any way I wouldn’t have known what was going on. As I approach, I see the daughter: she’s tiny. She looks like she’s around three or four?
'I’m six years old!'
Anya looked at him, as if she were correcting what he had been thinking.
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we're both in love with a psychic by ambersweet2056
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
05 Dec 2025
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Summary
Kokomi Teruhashi and Mikoto Aiura are, somehow, both the fated soulmate of Kusuo Saiki.
Aiura concocts a plan: to pretend date in an attempt to make Saiki jealous, and discover which girl he values more. Instead, the two end up enjoying each other's company far more than either expected.
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The Perfect Sunday Morning by haveityourway
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
23 Nov 2025
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Summary
There's nothing to hide, not even her distaste for brats who always took her love from her
Teruhashi freely expressing her dislike for kids post-power reveal
Or
Teruhashi and Yuuta fighting over Saiki
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all that space in between where we stand could be our chance by saikimoroll
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
16 Nov 2025
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Summary
Kusuo and Kokomi come to terms with being loved for who they are.
(Post-canon KusuKoko slow burn with moments of KuboKai and visits from almost everyone else. My love letter to Saiki K no Psi-Nan.)
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All I See is Red by Miguels_Simp
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
15 Nov 2025
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Summary
"Just—hold still," Kurosaki breathes against my ear, and his other arm circles my waist, keeping me steady. "Sorry," he utters before his glowing eyes disappear from view, and I feel something sharp scrape the delicate skin of my neck.
Oh. I didn't see that coming.
A new transfer student has come to PK Academy, and while Saiki Kusuo tends to do his best to stay away from newcomers, his apparent friends are adamant in befriending this new guy. The only problem is that ever since Kurosaki Hiro stepped into his school, Saiki's powers hardly work as they should. Not only can he not read Kurosaki's mind, but he can't read anyone's mind the moment he's in the same vicinity as him.
To make matters worse, Kurosaki doesn't even seem to be human.
What a pain...
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The Disastrous Love Life Of (Kaidou Shun/Kuboyasu Aren) by Mitxh
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
27 Oct 2025
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Summary
The start of the last year of high school starts, trying to make the most of it, Aren decides to confess his feelings to Kaidou. Yumehara gets in the way, now Aren and Kaidou have to face the wrath of being in love with someone they shouldn't.
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Unstoppable Together by Chromodoris_Willani
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
Everything Saiki does to get Teruhashi to lose interest in him backfires. Maybe, just maybe, that wasn't such a bad thing.
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The Aquarium by Icingisbetterthancake
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
11 Sep 2025
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Summary
Saiki takes Yuuta to an aquarium. Akechi invites himself along.
Series
- Part 2 of Saiki, Akechi, and Yuuta
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SAIKI K HEADCANONS! by b0r3dnl4zy
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
18 Aug 2025
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Summary
my HEADCANONS (they're funny and silly trust)
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The Way They Saw Saiki by DarkRoomWriter by Deus_Mortis
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
08 Jul 2025
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Summary
In the end, everybody ended up loving Saiki Kusuo. Even the people who seemed to hate him the most couldn't for long. From his quiet, understanding nature, to the aura of safety and divinity around him, to his habit of helping people when they needed it most, made it impossible to hate him.
This is how they all saw Saiki, through various moments in time
(I do NOT own this fic. I did NOT make it.
I am reposting this fic because it is a truly wonderful fic. Sadly the author deleted the fic and their account.
I hope you all enjoy.) -
Hair Ψtuation! by llamiaaa
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
29 May 2025
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Summary
While Saiki is babysitting Yuuta, Yuuta asks him for something unusual.
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Where's your head at? by TaS_39
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
01 May 2025
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Summary
Saiki has a panic attack, thinking he can't save his friends but his friends come and help him get through it but it doesn't work so well
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Teenagers' Self Worth by Writer6188
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
12 Apr 2025
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Summary
Torture and rape in Chapter 4; consensual sex with 18yos in Chapter 5.
"Saiki!" a random girl called out to him, running up to his side, "What I've heard, is it true? Is it true you have a massive, godly, ginormous dick??"
Saiki ground his teeth, loathing the situation he'd been thrust into as people started to murmur aggressively. 'What have you done?!' he asked no-one in particular. 'I AM ASKING YOU. WHAT THE FUCK HAVE YOU DONE?!!' Little did he know, however, that this is the blurb and I don't want to spoil it.Someone on the internet ranked Saiki, his friends and all their associates, by penis size. The school went crazy over it, and Saiki had to address the situation, after turning tens of students to stone. An all-hands-on-deck search operation began, to identify and catch the perpetrator.
This was supposed to be an April Fools' story, but I accidentally pressed 'post' instead of 'save as draft.'
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“Babysitting? Good Grief..” by littletwinstarz
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
04 Apr 2025
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Summary
Saiki babysits Yuuta for a day! What silliness will happen?
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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.)