Despite being targeted by former colleagues and rival assassins, Sakamoto has sworn a solemn vow to his wife: . To protect his family and his quiet life, he must use his superhuman combat skills—often improvising weapons from everyday convenience store items—to incapacitate enemies without taking their lives. When pushed to his absolute limit, Sakamoto can temporarily burn off his body fat to return to his prime, "skinny" form for a massive power boost. Key Characters
: An anime adaptation premiered in January 2025 , featuring Tomokazu Sugita as the voice of Taro Sakamoto. Despite being targeted by former colleagues and rival
is a high-octane action-comedy manga series written and illustrated by Yuto Suzuki . It follows the life of Taro Sakamoto , a man who was once the world's most feared legendary hitman. After falling in love at first sight with a convenience store clerk named Aoi , Sakamoto abruptly retired, got married, and became a father. Key Characters : An anime adaptation premiered in
: Sakamoto's former protege and a powerful telepath (esper) who can read minds. He initially tries to bring Sakamoto back to the assassin world but ends up working at the shop. After falling in love at first sight with
: A highly skilled martial artist and daughter of a triad family whom Sakamoto and Shin rescue.
: The primary antagonist, a mysterious serial killer leading a group to take down the Japanese Association of Assassins (JAA) . Serialization and Adaptation