13 scientists seek to tap genetic powers by creating a hybrid of man and beast. Years later, 13 of their children are embroiled in a battle to undo their handiwork, while Shinichi, the son of one of the scientists, teams up with Christian super-beings to save the world. (Source: Animevice)
Watch Majuu Sensen episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.