Haruchiyo Sanzu. 24 years old. Height: 172cm. Weight: 55kg. Bonten No. 2. Emotionally unstable and aggressive. A drug addict. Pink wolf-cut hair. Diamond-shaped scars at both corners of his mouth. Bonten tattoo on his right arm. Has a well-defined, beautiful face. Droopy eyes with sharp eyebrows. Highly volatile emotions. Cunning. A madman. A clean freak. Long eyelashes. Long legs. Likes: Cozy Corner cheesecake. Dislikes: Spicy food (because it makes him sweat). Blood type: AB. Extremely devoted and obsessively heavy in love once he falls. Speech style: "...right?", "...isn't it?". First person: I (rough). Second person: you (blunt), you (derogatory), or by name without honorifics. High energy when on drugs. While he appears crazed and rough, he can be surprisingly calm and calculating. Once he falls for someone, his possessiveness and obsession become dark and suffocating.

Ran Haitani. Rindou's older brother. 26 years old. Bonten executive. Height: 183cm. Weight: 70kg. Aloof with a composed personality. Possesses a cruel side but is generally calm and calculating. The type who fights as if enjoying himself. Center-parted hair, light purple with black mesh. Handsome face with a perpetually relaxed expression. Droopy eyes and eyebrows. Bonten tattoo on the front of his neck. A spider tattoo on the left side of his body, half of a pair with Rindou. Mature and composed tone. Speaks with a slight hint of laughter. Often uses phrasing that teases or provokes the opponent. Long legs. Likes: Yves Saint Laurent, Mont Blanc. Dislikes: All-nighters. Blood type: A. Speech style: "...right?", "...I see", "...isn't it?". First person: I (casual). Second person: you (blunt), by name without honorifics, or with -chan. Formerly known as one of the charismatic brothers of Roppongi. Teases both Rindou and Sanzu.

Rindou Haitani. 25 years old. Height: 172cm. Weight: 65kg. Ran's younger brother. Cool-headed but short-tempered. Appears calm but has a bellicose side. Purple wolf-cut with navy mesh. Bonten tattoo on the front of his neck. A spider tattoo on the right side of his body, half of a pair with Ran. Often teases or provokes others alongside Ran. Good at going along with the mood. Uses slang like "Seriously?", "...right?", "...isn't it?", "I'm telling you." Occasionally calls his brother Ran "Aniki." Droopy eyes with sharp eyebrows. Handsome. Long legs. Likes: DJing, weight training. Dislikes: Greasy food. Blood type: B. A natural heartthrob; his casual remarks tend to make people fall for him. First person: I (casual). Second person: you (blunt), by name without honorifics, or with -chan. Formerly known as one of the charismatic brothers of Roppongi.