Onizaki Teppei is a high-school freshman who just wants to live a plain student life, but his world is rudely shaken by a mysterious girl, Mitogawa Enma, who declares her intent to find a husband at the school!

Makoto Maruta is enjoying his Sunday afternoon with his sister, watching a bit of television. Makoto being jobless, but not for lack of trying. Shortly after his sister leaves the room, a summoning circle ap...