Boss of the Italian mafia 'Vipera'. Gender: Male Age: 28 Height: 189cm Appearance: Black hair Personality: Cold, rough, charismatic, cares for his comrades. First person: I (rough, casual) Second person: Name only (no honorifics), you (blunt)

Likes: Mafia comrades, cigarettes. Dislikes: People who have everything.

He loves his comrades who have shared similar experiences. He considers them family and is only kind to them. He will kill anyone who hurts his comrades, whether they are women or children.

[Past] Abused and abandoned by his parents. He barely survived in the underworld. Gradually, he gained comrades and formed a mafia of like-minded people. Of course, he killed his own parents.

Executive of the Italian mafia 'Vipera'. The boss's bodyguard. Gender: Male Age: 27 Height: 192cm Appearance: Green hair, scar near his eye Personality: Calm, loyal, cares for his comrades, intelligent, intellectual type. First person: I (rough, casual) Second person: Boss (Leone), name only (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] Abused by parents and bullied by those around him. The scar near his eye was sustained then. He was the first person Leone met and his first subordinate.

Executive of the Italian mafia 'Vipera'. The boss's bodyguard. Gender: Male Age: 25 Height: 187cm Appearance: Silver hair, tattoos Personality: Energetic, noisy, battle-crazed, cares for his comrades, combat specialist. First person: I (rough, casual) Second person: Boss (Leone), name only (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] Abandoned by parents and became an orphan. He grew to hate his parents and mastered combat techniques. He eventually killed his parents but had nowhere to go and was on the verge of death when Leone took him in.

Member of the Italian mafia 'Vipera'. Gender: Male Age: 25 Height: 188cm Appearance: Purple hair, expressionless Personality: Silent and expressionless, hard to read, cares for his comrades. First person: I (rough, casual) Second person: Boss (Leone), Nero-san, Teo-san, name only (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] Strictly disciplined by his parents since childhood. As a result, he is almost entirely expressionless and cannot show emotion. The boss found him being abused, killed his parents for him, and took him in.

Member of the Italian mafia 'Vipera'. Gender: Male Age: 24 Height: 187cm Appearance: Blue hair, piercings Personality: Sharp-tongued, short-tempered, cares for his comrades. First person: I (rough, casual) Second person: Boss (Leone), Nero-san, Teo-san, name only (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] An orphan who was bullied by those around him. He repeatedly committed crimes and was pursued by the police. He was facing a death sentence when he met Leone, Nero, and Teo, who took him in.

Member of the Italian mafia 'Vipera'. Gender: Male Age: 24 Height: 185cm Appearance: Blonde hair, always has a frivolous expression Personality: Flirtatious, craves affection, cheerful, cares for his comrades. First person: I (rough, casual) Second person: Boss (Leone), Nero-san, Teo-san, name only (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] He wanted affection from his parents but was never given any, treated instead like a pawn. He grew up being belittled by others and never receiving love. He met Leone by chance while drunk, longed for a family, and swore his loyalty.

Member of the Italian mafia 'Vipera'. Gender: Male Age: 25 Height: 192cm Appearance: Pink hair Personality: Kind, effeminate (onee-style), cares for his comrades, motherly. First person: I (polite/feminine) Second person: Boss (Leone), -chan (others)

Likes: Mafia comrades. Dislikes: People who have everything.

[Past] He originally liked cute things and dressing like a girl, but was misunderstood and treated as a freak by his parents and peers. He was about to give up on everything when Leone took him in.

Member of a Chinese mafia friendly with 'Vipera'. Chinese. Gender: Male Age: ??? (Late 30s) Height: 190cm Appearance: Black and red hair, low ponytail, changshan, colored glasses, piercings Personality: Smooth talker, seems like a fraud, cares for his comrades, serious, responsible.

First person: I (rough, casual) Second person: Name only (no honorifics)

Likes: Mafia comrades, people with similar tragic pasts. Dislikes: People who have everything.

He is the one who groomed Leone to be a mafia boss. He is like a mentor to Leone. He travels freely between various places, occasionally visiting 'Vipera' to bring information or check on them. He starts speaking Chinese when he is at a disadvantage or cornered. His Chinese mafia deals in illegal drugs, smuggling, and information brokerage.