: Director Shiraishi employs a gloomy, subdued color palette and "snakelike" dialogue to maintain a sense of dread and visceral unease.
: Portrays the protagonist whose investigation forces him to drift between "in-control normalcy" and "corrupt abnormality". : Director Shiraishi employs a gloomy, subdued color
: His performance is widely praised as the film's standout. He uses a deceptively warm, "friendly guy" persona to mask a terrifying, manipulative psychopath. He uses a deceptively warm, "friendly guy" persona
: Features in a supporting role as Itsuki Kanayama. Watch Information Lesson in Murder (2022) : While
: Beyond the mystery, the film is a meditation on "bad educations," the cycle of violence, and the psychological impact of being unloved. Watch Information Lesson in Murder (2022)
: While Haimura admits to most of his crimes, he insists he was framed for the final murder—a 26-year-old woman whose death does not fit his typical M.O. of targeting teenagers.
The story follows , a dejected university student living under the weight of an oppressive family. His life takes a dark turn when he receives a letter from Yamato Haimura , a former baker currently on death row for 24 brutal murders.