Regressor Instruction Manual

One day, I was summoned to this world.
Beasts were everywhere and an unbelievable crisis was approaching.
My talent level was at the bottom.
[Your talent level is at its lowest.]
[Almost all the stats are abysmal.]
Whether it’s the chosen warriors or the talented mages or the regressor who went back in time - I have to use everything in order to survive.
Regressor Instruction Manual.

Original Novel:
Naver Series, KakaoPage, Ridibooks, Joara, MrBlue, BookCube, Tocsoda, Onestory, Nate, Snackbook

Official Translations:
English