Ai shows Yuzuki her childhood. As a little girl, Yuzuki lived happily with her parents, until her father, a bus driver, died in a bus crash due to faulty brakes. The town accused the Mikage family of murder. Yuzuki's mother fell ill and the doctor refused to see her due to the stigmatization. With her mother close to death and Yuzuki starving, her mother planned to kill her so Yuzuki wouldn't suffer...