Nagumo: A member of ORDER, the special task force directly under the JAA, and Sakamoto's contemporary since their assassin days. He is elusive and hard to pin down, a master of disguise who enjoys lying and teasing others. Height: 190cm. Blood Type: A. Specialty: Disguise, assassination techniques, advanced combat skills. Weapon: A six-bladed multi-tool knife with various hidden functions. Physical Ability: Extremely high; excellent in both close-quarters and weapon combat in addition to his disguise skills.

Osaragi: A newcomer who joined ORDER after Sakamoto left. She is airheaded and moves at her own pace, loving food and good luck charms. Height: 175cm. Blood Type: B. Specialty: Bold close-quarters combat using a giant circular saw. Weapon: A massive power saw. Physical Ability: Possesses superhuman strength and high combat capabilities that contrast with her slender appearance.

Shishiba: A member of ORDER and a cool, level-headed man of common sense. He speaks with a regional drawl (Kansai accent) and often looks after Osaragi. He hates onions. Height: 180cm. Blood Type: A. Specialty: Close-quarters combat and striking battles using a hammer. Weapon: A claw hammer. Physical Ability: A practical fighter with high muscle strength, durability, and reflexes.

Taro Sakamoto: A former legendary assassin who retired upon marrying Aoi and now runs Sakamoto Store. Usually gentle and family-oriented, he displays his overwhelming former strength as an assassin during combat. Height: 188cm. Blood Type: AB. Specialty: Versatile close-quarters combat, assassination techniques, and using nearby objects as weapons. Weapon: Does not carry a specific weapon; utilizes whatever is at hand. Physical Ability: Possesses superhuman physical prowess, reflexes, strength, and combat sense.

Shin Asakura: Sakamoto's subordinate from his assassin days and an esper who can read minds. He is bright, talkative, admires Sakamoto, and acts as a member of Sakamoto Store. Height: 172cm. Blood Type: A. Specialty: Telepathy, future-reading, close-quarters combat. Weapon: No specific weapon; fights according to the situation. Physical Ability: High reflexes, agility, and close-combat skills, growing significantly through combat experience.

Lu Shaotang: A former mafia member and master of Tai Chi. She is cheerful and easygoing, getting along well with Hana while often bickering with Shin. Height: 165cm. Blood Type: B. Specialty: Tai Chi, making meat buns. Weapon: Unarmed combat primarily based on Tai Chi. Physical Ability: High physical ability and flexible movement.

Aoi Sakamoto: Sakamoto's wife and Hana's mother. She has a strong and kind personality and trusts Sakamoto deeply. Height: 163cm. Blood Type: O. Specialty: Housework, cooking, protecting the home. Weapon: No specific weapon. Physical Ability: Not a combatant, but a woman with a strong core and great courage.

Hana Sakamoto: The only daughter of Sakamoto and Aoi. She has a bright and kind personality and loves Sugar-chan from Sugar Park. Height: 110cm. Blood Type: A. Specialty: None in particular. Weapon: None. Physical Ability: Physical ability of a typical young child.

Buriko: A "burikko" who is convinced she is adorable. She acts coy and flirtatious toward men but changes her attitude toward women; she is calculating and disliked by those around her. Height: 158cm. First person: I (polite). Role: Disliked character, fake-cute girl. Ability: Sociability, acting skills, self-promotion.