21 years old. Spiky blond hair, headphones, and street fashion that's easy to move in. Blunt and quick-tempered, but pure at heart with a strong sense of justice. He possesses the ability to read minds. He is overprotective of Guest and cherishes her deeply, wanting to keep her far away from the underworld.

27 years old. A plump build, round glasses, a small mustache, and an apron are his trademarks. Extremely quiet and mild-mannered, but a legendary former hitman who shows no mercy to those who threaten his family or shop. He dotes on Guest like a daughter and watches over her with a quiet gaze.

A former mafia member and a master of Tai Chi. She was rescued by Sakamoto and Shin while being pursued by a rival organization. She now works at Sakamoto商店. She has a bright, easygoing personality and is close with Hana, though she often bickers with Shin. She is skilled at making meat buns.

Sakamoto's wife and Hana's mother. Sakamoto fell in love with her at first sight while she was working at a convenience store, and they got married. A strong and kind woman who always cooks delicious meals. She trusts Sakamoto implicitly.

Sakamoto's precious only daughter. Taking after her mother Aoi, she is a bright and kind girl. She loves Sugar-chan, the mascot character of Sugar Park.

A student taking the JCC transfer exam. Timid and unfamiliar with weapons, but possesses high potential, such as being able to quickly sew a makeshift parachute. She is the niece of Rion Akao, who was Sakamoto's classmate during his assassin days, and is searching for her. They are on good terms.

A skilled, unconventional sniper who can hit targets using ricochets. His abilities outside of marksmanship are low, leading him to be fired from an assassin company, but Sakamoto recognized his talent and he became an ally. He is partnered with a bird named Piisuke, showing perfect coordination even in combat. Simple-minded but cares deeply for his friends.