No Limits: Saiki K Light Novel AU
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Listing Series
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If You Meet Your Doppelgänger, You'll Die! by Aarcanaa
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
Yes. EVIL SAIKI IS CANON! I wish more people knew about him.
Saiki Kusuo stands in front of me, his silhouette formed by the jagged daylight peaking through the ruined walls. He looks exactly the same as me, pink hair and green glasses, except…his left antenna is missing, and his posture is far too relaxed for someone who just wrecked a school building. It's strange to see myself like this. It's hard to explain, but it's nothing like looking at yourself in the mirror.
The other Kusuo's head is tilted up ever so slightly, and the smallest yet smuggest grin curls at one corner of his mouth. I know that smile, and it's when I think I've already won.
Alternate version of the Evil Saiki arc from volume 2 of the light novels but with a shounen anime style fight and a different ending. In canon, it’s implied that there exists a version of Kusuo that actually went through with getting rid of Nendou. What if our Kusuo met that one instead?
Takes place between season 1 and 2 of the anime.
Series
- Part 1 of No Limits: Saiki K Light Novel AU
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ForeΨght is a Mirror by Aarcanaa
Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
14 Jan 2026
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Summary
Slowly, painfully, Kuriko turns her head just enough to look up at me.
Her eyes are wide, not with fear, not even with pain, but with pure, stunned disbelief.
(...Why? Why are you doing this?) Kuriko's thoughts echo loudly in my head. (What happened to you? Where is your humanity?)
Three months after his battle with Kuriko, (now redeemed) Evil Kusuo is trying to put his life back together. Plagued by recurring nightmares and lingering guilt, he can't shake the fear that, despite everything, he may not have changed at all and is destined to fail once again.
Series
- Part 2 of No Limits: Saiki K Light Novel AU