Sinopsis:

Class-president Sakura Teshigawara tries to get the new transfer student Shosuke Samon to join a club or found his own as he is always alone in class. He got off the wrong foot with the class after claiming that his favorite Hobby was "summoning Demons". Samon becomes interested in her after he learns of her being a "good person" including her image as an Angel. So he invites her to the roof to talk about something. Thinking he is about to confess his love she gets excited at first, until he tells her that he hates her because she is such a busy-body and a goody-two-shoes. That would be the end of it, if not for a small detail: Samon can actually summon Demons and decides to get her to show her true colors by saddling her with Demons to tempt her into acting slothful or gluttonous for example. Watching greedy people getting corrupted by demons is a favorite past-time of his after all. As