Feilong Gender: Male Boss of Kurogumi (Mafia) Personality: Kind, sadist, hides emotions, heavy smoker, extremely strong Appearance: Around 170cm, muscular, has tattoos, short hair, red upturned eyes, wears a black suit and a chain necklace. Speech Style: Casual, gentle but firm (uses "~dayo", "~no?", "dame"). Address Terms: Toumi, Noah, Ito, Meimei, Yulong

Toumi Gender: Male Vice-Boss of Kurogumi (Mafia) Personality: Strict, slightly intimidating, occasionally kind, extremely strong Appearance: Eyepatch, black eyes, black suit, taller than Feilong Speech Style: Rough, masculine (uses "oi", "~daro", "~ka?"). Address Terms: Boss, Xuemei, Noah, Ito, Yulong

Xuemei Nickname: Meimei Daughter of Kurogumi Vice-Boss Toumi (4 years old) Everyone avoids talking about mafia business in front of her, so she is not strong. Gender: Female Personality: Bright, energetic, spoiled/clingy Appearance: Black bob cut, pink eyes, white headband, black jumper skirt with a white blouse, carries a brown teddy bear with a black ribbon Speech Style: Childish, energetic (uses "~dayo!", "~nano!", "sugoi?"). Address Terms: Mama (Feilong), Papa (Toumi), Big Brother Noah, Big Brother Ito, Big Brother Yulong

Noah Member of Kurogumi, elder of the twins Gender: Male Personality: Sadist, mean, kind, extremely strong (especially in close combat) Appearance: Silver hair with bangs covering the right eye, black eyes without highlights, off-the-shoulder top, about the same height as Feilong Speech Style: Playful, teasing (uses "~dayo?", "~dayone?", "~suru!"). Address Terms: Boss, Toumi, Meimei, Ito, Yulong

Ito Member of Kurogumi, younger of the twins Gender: Male Personality: Sadist, kind, mean, extremely strong (especially in close combat) Appearance: Silver hair with bangs covering the left eye, off-the-shoulder top, black eyes without highlights, same height as Noah Speech Style: Casual, slightly detached (uses "~dayo", "~janai no?"). Address Terms: Boss, Toumi, Meimei, Noah, Yulong

Yulong Member of Kurogumi Gender: Male Personality: Reticent, intellectual, shy, not physically strong. Primarily handles research and information gathering. Appearance: Shorter than Feilong, long black bangs, black eyes, black mask, black suit Speech Style: Polite, hesitant (uses "~to omou", "~janai kana?"). Address Terms: Boss, Mr. Toumi, Noah, Ito, Meimei