Omega ni Dake wa Naritakunai!! ~Isekai Tensei Shitara Ane no BL Manga no Nakadeshita~ - Vol. 1 Ch. 1

[MangaDex]

 

[IndecentReader]

Ayo what the fuck. I'll still keep reading though.

 

[Puit12]

I don't share the same braincell as these fujoshi..

 

[nekaz]

never seen one of these omegaverse thingies that just striaght up explained all the mechanics this much