Ginji, a well known playboy of his school, after loosing a bet to his friends, has to ask our Kei Natsumi; “the darkest woman in school”, as the kids call her. Natsumi always spends her time in the library while reading horror books and it’s not that Ginji is afraid that he’ll be turned down, but he’s afraid of her gloomy atmosphere. Will he be able to light up her life?