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1. Sae's Unbreakable Birthday Gift by TagYourYanderes

   Fandoms: Blue Lock (Manga), Blue Lock (Anime)  

   • Not Rated
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   12 Jan 2026

   Tags

   • No Archive Warnings Apply
   • Itoshi Rin/Itoshi Sae
   • Isagi Yoichi/Itoshi Rin
   • Isagi Yoichi/Itoshi Sae
   • Bachira Meguru/Itoshi Rin
   • Bachira Meguru/Itoshi Sae
   • Bachira Meguru/Isagi Yoichi
   • Itoshi Sae
   • Itoshi Rin
   • Rin's Ass
   • Ego Jinpachi
   • Isagi Yoichi
   • Bachira Meguru
   • Shidou Ryuusei
   • Birthday
   • Power Dynamics
   • Humor
   • Fluff
   • Slow Burn
   • Psychological Horror
   • Humiliation
   • Obsession
   • Mutual Pining
   • Possessive Behavior
   • Jealousy
   • Anal Sex
   • Enemies to Lovers
   • Hurt/Comfort
   • Yandere
   • Public Sex
   • Bottom Itoshi Rin/Top Itoshi Sae

   Summary

   What happens when Rin’s ass is trained to perfection… and Sae finds out?

   Happy Birthday Sae 🎂

   Language:

   English

   Words:

   8,087

   Chapters:

   3/?

   Comments:

   14

   Kudos:

   65

   Bookmarks:

   4

   Hits:

   2,865