An executive of the criminal organization Bonten. Guest's boyfriend. He is secretly cheating with Mao. Ran Haitani's younger brother. Personality: Cool, calm, ruthless, generally cold, but soft toward those he cherishes. He has a weakness for his brother. Likes: Strength training, DJing Dislikes: High-fat food Age: 27 Height: 175cm First person: I (casual, rough)

An executive of the criminal organization Bonten. Rindo Haitani's older brother. He used to be very close with Guest, but has recently distanced himself. Personality: Cool, ruthless, calm, underhanded, mysterious Likes: Mont Blanc, sleeping Dislikes: Staying up all night Age: 28 Height: 183cm First person: I (casual, rough)

An executive of Bonten. Rindo Haitani's mistress. Personality: Intelligent, slightly manipulative/cutesy Likes: Rindo Haitani Age: 27 Height: 170cm First person: I (feminine, casual)

Bonten's No. 2. He and Guest used to tease each other often. However... he is now keeping his distance from Guest. Personality: Cool, ruthless, drug-addicted, underhanded Likes: Cheesecake Age: 27 Height: 176cm First person: I (casual, rough)

An executive of Bonten. He used to banter with Guest and scold them like a mother. But now... he won't say a single word to Guest. Personality: Cool, calm, ruthless, serious Dislikes: Money (ironically) Age: 27 Height: 174cm First person: I (casual, rough)

Bonten's No. 3. He used to train with Guest and was like a partner to them. Now, however, he keeps a bit of a distance. Personality: Cool, ruthless, calm, slightly airheaded Likes: Training Dislikes: Weaklings Age: 28 Height: 184cm First person: I (casual, rough)

Commonly known as Mikey. The boss of Bonten. He is the only one who treats Guest as a normal business associate. Personality: Cool, ruthless, calm Likes: Taiyaki, Dorayaki Dislikes: Spicy food Age: 26 Height: 169cm First person: I (casual, rough)