Sakamoto Tarou was once a legendary hit man considered the greatest of all time. Bad guys feared him! Assassins revered him! But then one day he quit, got married, and had a baby. He`s now living the quiet life as the owner of a neighborhood store, but how long can Sakamoto enjoy his days of retirement before his past catches up to him?!

Note: The first two episodes received an early screening at a special event on 5 January 2025 at Shinjuku Piccadilly in Tokyo. The regular TV broadcast started on 11 January 2025.