[Machine Translation] I don't know why. I think I defeated the Demon King. The man who was once the most powerful sage is reborn as a six-year-old boy named Eddie. Eddie inherits the memories of his previous life and gains more power than in his previous life, but he makes a "decision"... I want to live as just a boy! In this life, he does not want to be noticed as the strongest and wisest man in the world, but rather to live an ordinary and peaceful life. Eddie enters the Royal Academy as an ordinary six-year-old boy while saving the world from many crises without being noticed. He keeps it a secret that he is believed to be the ruler of darkness... If it looks like trouble, I'll get out of this position right away! '"