The story is set in the normal human world where all sorts of normalities are witnessed day by day. Kige Rei, the protagonist, is an average person in the real world that struggles to live by his own standards while being constantly bullied every day. He can't achieve anything in life, has bad grades, no friends, no girlfriend and has dead parents. Not being able to take the pressure anymore, Rei decides to suicide hoping that his next life would be better and not horrible like his previous one, but even after the suicide he still remains in the same world. Soon enough he notices that everything around him is different, every living form has levels, status and the formalities of the usual world have disappeared. Is this the brand new start for Rei?