Since he can recall, Satou and his best friend, Hime have been inseparable. But when she reveals plans to return to her home planet for her nuptials, Satou makes up his mind to follow her there and disrupt the event. To his surprise, his mission proves successful, and with a kiss from Hime, he becomes her intended partner! However, he is unaware that the groom-to-be has a destiny to become a superhero endowed with incredible strength and the responsibility of saving the world. Is this task too much for a lone high school student like Satou to handle, or is he up to the challenge?