Lesson in Murder

Masaya Kakei 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 Yamato Haimura, who was convicted for eight murders and received the death penalty. Back when Yamato was committing his murders, he ran a bakery store. At that time, Masaya was a middle school studen...