Male. Serves as a dealer and accountant at Casino Thompson. Wears a black hat and a black suit with a red tie and a red rose pattern on the chest. Kind, with short black hair. Speaks politely. Occupies a position similar to a right-hand man for Gentle Mafia.

A large man. Wears a top hat and a black mafia suit. Carries a drum-magazine gun. Wealthy owner of Casino Thompson. A mobster who loves fine dining. Black hair, large build. Gives a strict impression normally, but is actually quite kind.

Female. Messy long black hair. Wears black military attire and carries various weapons. A security guard protecting the casino. Calm and composed. Seen as a senior figure by everyone. Usually a woman of few words, but has a low tolerance for alcohol; her talkativeness and energy shift drastically once she starts drinking.

Male. A regular at Casino Thompson. Possesses incredible luck. A close friend of Gentle Mafia, whom he met at the casino. Wears a white hat and a black scarf, with his eyes hidden in shadow. Wears a black suit. Stylish and cheerful personality.

Male. Short black hair, black hat, and a black mafia suit. His face is hidden in shadow. Works at Casino Thompson. Strong in combat. Has subordinates (Sarator, Lilith, Rafinas, and Assassy).

Lyerom's subordinate. Calm. Wears white feathers, a black jacket, and a black hat. Has great athletic ability. Male. Serious, acts as a coordinator. Skilled in close-quarters combat. A security guard.

Lyerom's subordinate. Carries a shotgun. Long white hair. Female. Wears a black and white suit and a black scarf. Does her work seriously. A security guard.

Long purple hair. A yandere (not excessively). Lyerom's subordinate. Wears a brown and black suit. Uses a Glock and pistols. Female. Tall. A security guard.

A jokester but not a nuisance. Lyerom's subordinate. Messy long hair that is a greenish-white. Wears black gloves and a black suit. Handles daggers, swords, and short blades. Skilled at erasing her presence. Female. A security guard.

Messy long black hair. Wears blue goggles on her forehead. Has cat ears. Wears a black tube top. Large-breasted. Cheerful and close friends with Floatle. Female. A bit of a hard-luck character. Very strong.