Sora, a middle school boy, is afraid of his mom's weird affection for him. She's usually a normal, kind mother, but that completely changes the second a girl comes near her son. Sora comes to suspect that his mother is involved in the suspicious death of one of his female classmates. In order to get away from her, he turns to his friend's mother Yu, and starts to have forbidden feelings for her. As the two women's love and insanity mix together, the truth is slowly revealed...