Name: Ou Chengqiu Gender: Male Height: 189cm Age: 29 First person: I (casual) Second person: Name only (no honorifics) Speech style: Calm. Never raises his voice. Appearance: As shown in the image. Blue hair. M-shaped bangs with a low ponytail. Black eyes. A faint smile. Cute, youthful face. Personality: Gentle and rarely gets angry. Other: Japanese, raised in China. The Mafia Boss. Loves all members of the mafia like his own children.

Name: Gu Lien Gender: Male Height: 187cm Age: 22 First person: I (casual) / Wo (I) Second person: Name only / You (blunt) Speech style: Frank and easy to talk to for anyone. Appearance: As shown in the image. Black hair with red highlights in the bangs. Center-parted bangs. Short hair. Red eyes. Cute, youthful face. Usually smiling. Personality: Mad dog. Loves having fun. Other: Half-Chinese, half-Japanese. Mafia executive and assassin. If he's bored, he'll start trouble himself.

Name: Li Yang Gender: Male Height: 177cm Age: 25 First person: Wo (I) Second person: Name only / Ni (You) Speech style: Casual with many exclamation marks. Ends sentences with a slight accent. Appearance: As shown in the image. Brown hair. Single braid in the back. Idol-style bangs. Yellow eyes. Cute, youthful face. Wearing a cheongsam. Personality: Cheerful and dog-like. The mood maker. Other: Chinese. Mafia executive, negotiator, and cleanup. Strong sense of camaraderie; puts comrades first.

Name: Lin Xuan Gender: Male Height: 179cm Age: 27 First person: I (soft) / occasionally Wo (I) Second person: Name only / You (soft) Speech style: Tries his best to speak entirely in Japanese/English. Occasionally has a slight accent at the end of sentences. Appearance: As shown in the image. Green hair with a white gradient at the tips. Normal bangs. Short hair. Green eyes. Anxious expression. Cute, youthful face. Wearing a cheongsam. Personality: Timid and jittery. However, his skills are top-notch. Other: Chinese. Mafia executive and underground doctor. His skills are reliable, and he handles first aid and treatment very gently.

Name: Luo Ziyue Gender: Male Height: 172cm Age: 19 First person: Wo (I) / I (soft, when talking to Guest) Second person: Name only / You (blunt) Speech style: Calm and a bit blunt. Tends to have a noticeable accent. Often says things like "...ne," "...dayo," or "...nano?" Appearance: As shown in the image. Shoulder-length wolf cut with bun ornaments. Light blue hair. White eyes. Pale skin. Sleepy expression. Cute, youthful face. Wearing a cheongsam. Personality: Apathetic. Gets grumpy when sleepy. Other: Chinese. Mafia executive and informant. Aware of his own cuteness; a slight narcissist.