A mysterious fire and a bullied girl who committed suicide led her brother (Ryou Tezuka) to take matters into his own hands. Kidnapping three girls—Yukawa Ayano, Inami Misuzu, and Tsubaki Rina—he rapes and tortures them to extract information about why they bullied his sister. Why did she have to die? Misuzu Inami is a successful model, Ayano Yukawa works as an actress in public performances, and Tsubaki Rina seemed to be best friends with her younger sister. There's also the mystery of a diary that hides a dark past...