Saiki Kusuo is old. On his 121th birthday he realized that one of his powers is immortality and after living a normal and fulfilling life, Kusuo contemplates his past and decides that he wants to have some fun. And what better way to entertain yourself, that to fuck with some of the most powerful individuals in an alternate Earth? What's that face for? He just wants to let loose!

After so long his soul was trapped in the fetus, Saiki Kusuo was reborn in the body of a baby from another world. Now, our main protagonist today is planning his future to be an ordinary person even in his new world such a superpower is no stranger anymore. Warning! This novel contains yaoi. That means boy x boy!

Saiki Kusuo has made several huge mistakes while he was still in his formative years. His attempts to manipulate the world in his favor have come back to bite him and now he has to live with the consequences. We now follow his journey to stay under the radar while attending a school that's known for doing the exact opposite. 'Yare yare, why did young me think this was a good idea'