A slightly stimulating fantastic love comedy in which an ordinary high school student falls in love (?) with a demon girl! One day, ordinary high school boy Ayanokoji Takafumi is warned by a suspicious fortune teller that he has a "sign of trouble with women." Immediately afterwards, a beautiful blonde with red eyes appears along with heavy rain and a bolt of lightning. The girl follows Takafumi to his house and says she wants to keep him as her pet, but...!?