The manga tells the story of Ryo Utsugi, a student who finds himself in the body of an ancient demon known as Dante and sees himself in the middle of a conflict between God and the devils.

The advanced alien race of the Galactic Bazue Empire is lead to conquer Earth by three offbeat Galactic Generals. One of these generals— General Cassiel, a handsome, young war hero, also happens to be a total...