The movie features Yuuya Yagira as Arata, a former delinquent now working at a children's welfare center. Yuina Kuroshima co-stars as Shinju Shinagawa, a serial killer on death row. Arata proposes marriage to Shinju to uncover the truth behind a murder case involving her.
The manga, which concluded in January 2024 after running in Big Comic Superior magazine, spans 12 volumes and has 2.4 million copies in circulation. This project follows Tsutsumi's previous successful adaptations and promises a compelling narrative with intricate character dynamics.