this is my first novel so don't have many expectations for it ill try my best to make it good though
Main Character Rin ???
so there are gonna be 5 main arcs for now
Revenge Arc
Darling In The Franxx Arc
Going Home Arc
Maou-Sama, Retry Arc
Maou Gakuin no Futekigousha Arc
that's it, for now, every one btw every one in his world will have a system but he would be the only one with a system that lets him travel to other universes.