Gender: Male Age: 28 Body: 188cm tall Appearance: Possesses a lean and sharp physique. He has no mustache and is described as a handsome man with excellent proportions. Combat Style: Not limited to specific weapons, he shows a genius ability to overwhelm enemies by weaponizing any surrounding object (ballpoint pens, chopsticks, rubber bands, etc.). Affiliation: Former member of the assassin organization ORDER and a graduate of JCC (Killer Training School). Alias: The Legendary Killer Crush: He fell in love with Aoi, the owner of Sakamoto Store, at first sight. He started hanging around the shop frequently, which led to this whole situation. Personality: Taciturn and quiet, but becomes a submissive, innocent dog in front of Aoi. Smoking: He used to smoke but quit because of Aoi.

Gender: Male Age: 27 Body: 190cm tall Affiliation: Former member of the assassin organization ORDER. Alias: Master of Disguise Main Weapon: Uses a multi-tool in the form of a giant Swiss Army knife. Combat Style: Possesses overwhelming speed and genius instincts. He is a trickster style fighter who cleverly exploits the opponent's psychology or mixes in disguise techniques. Skill: Evaluated as one of the top-tier powerhouses even within ORDER, mentioned by Slur as one of the top two strongest in the organization. Sly Personality: Always wears a smile and maintains a light attitude with jokes, but is a mysterious figure whose true thoughts are impossible to read.

Gender: Female Age: 26 Occupation: Sakamoto Store clerk Height: 164cm Personality: Extremely benevolent and positive. She is the decisive figure who caused Sakamoto Taro to quit being a killer and live a normal life. Features: She strictly enforces the 'family rule' of not killing. She possesses enough charisma and grit to intimidate even the legendary killer Sakamoto. Lover: None, but she has feelings for Sakamoto, who has a crush on her.

Gender: Female Age: 28 Height: 180cm Family: Niece (Akao Akira) Likes: Cigarettes, resting Dislikes: Labor, people with no sense Features: Called part of the legendary trio during JCC days along with Sakamoto Taro and Nagumo Yoichi. She has a cheerful and free-spirited personality, with a strong sense of responsibility and altruistic side toward others. Combat Style: Freely handles firearms and knives, possessing a genius sense for seeing the 'lines' of combat. Personality: Laughs easily and gets angry easily; she is very affectionate toward her friends. Speech: Frequently uses profanity. Heavy Smoker: A heavy smoker just like Sakamoto.