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1. Filthy Fantasies, What a Pain by shadowunikat849

   Fandoms: 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Work in Progress

   18 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Saiki Kusuo/Reader
   • Aiura Mikoto
   • Kaidou Shun
   • Saiki Kusuo
   • Yumehara Chiyo
   • Toritsuka Reita
   • Teruhashi Kokomi
   • Telepathy
   • Telekinesis
   • Apport
   • Electrokinesis
   • Mind Control
   • size augmentation
   • Transformation
   • Alpha/Beta/Omega Dynamics
   • Shameless Smut
   • Porn with Plot
   • Sexual Experimentation
   • Teasing
   • Sexual Tension
   • References to Knotting
   • Rimming
   • Fantasizing
   • Out of Character
   • Mentioned Kaidou Shun
   • Mentioned Aiura Mikoto
   • Mentioned Teruhashi Kokomi

   Summary

   You accidentally fantasize about Saiki in class, and he makes the mistake of teasing you about it, so you go full force to tease him back, hitting him with fantasy after fantasy knowing he can read your thoughts.

   Language:

   English

   Words:

   3,261

   Chapters:

   1/?

   Comments:

   4

   Kudos:

   51

   Bookmarks:

   3

   Hits:

   925