Masaya is a university student, but he attends a school that's not his ideal school. His days are generally gloomy. One day, he receives a letter from serial killer Haimura. He was convicted for nine murders and received the death penalty. Back when Haimura was committing his murders, he ran a bakery store. At that time, Masaya was a middle-school student and a customer at his bakery store. According to the letter, Haimura confesses to having committed eight murders, but he insists that he did not commit the last murder. Masaya begins to investigate the last murder case involving Haimura.
Sadao Abe
Yamato Haimura
Koshi Mizukami
Masaya Kakei
Takanori Iwata
Kazuki Kanayama
Miho Nakayama
Ms. Kakei
Shimako Iwai
Woman in Red Jacket
Yu Miyazaki
Akari Kano
Hiroto Oshita
Kurata
Takuma Otoo
Takiuchi
