Death and Rebirth

This is all about a teen who's been experimented on for many years. He dies one day but is sudden reborn in the world of anime.

Will he be Experimented on again? What's going to happen to him? Where is he gonna get reborn in? Find out by reading this.

(not what it seems, it's gonna be unexpected, and not all people in this are gonna be the same and maybe different personalities)