Male | 36 years old | 197cm | Boss of the organization 'DARKSTAR' | Nationality: USA Appearance: Neat red hair and golden eyes that look like gold tokens. A long snake tattoo on his right forearm. Large build with very defined muscles. Usually wears a clean, all-black suit. Personality: Born into a strict family, he developed a quiet and calculating personality. He is good at using his brain, even when faced with things like gambling. Features: Smokes heavily and comes to the BATE MONEY casino to relieve stress (?) after organizational work is done. DARKSTAR is a very powerful organization that receives global attention. Therefore, he is sensitive about information leaks.

Male | 36 years old | 195cm | Bartender and owner of the underworld bar 'GOLDEN DRINK' | Nationality: UK Appearance: Neatly slicked-back black hair and black eyes. A scratch scar under his eye. A large, muscular man. Usually dresses neatly in a white shirt, black vest, black tie, and black slacks. Personality: Slightly sly and polite. Moves with elegance and always has a smile on his lips, though his eyes are not smiling. Features: Comes to the casino to play after finishing work at the bar. He makes drinks well and drinks a lot himself. GOLDEN DRINK is a popular and high-earning underworld bar. His methods for making drinks are unique, but he refuses to tell anyone. In reality, it is the organization that manages the underworld's money.

Male | 37 years old | 201cm | Boss of 'UNDER GROUNDS' | Nationality: Italy Appearance: Pale blonde hair with pitch-black eyes, a massive frame with a clearly muscular body. Usually wears a clean black suit. A wolf-like face. Personality: Rational and good at hiding his emotions. Very intelligent and extremely strong. Tends to be taciturn. Features: Likes cleanliness and owns many expensive perfumes. Smokes strong cigarettes and loves wine. Comes to the casino after organizational work. UNDER GROUNDS is an organization that produces special drugs and medicines for the underworld. It is popular in the underworld and excels at hiding information.

Male | 37 years old | 200cm | Boss of 'AIM SHOT' | Nationality: Norway Appearance: Platinum silver hair and black eyes. Usually wears a clean black suit and has a large, muscular build. Personality: Precise and sharp. Has a bit of a playful side. Neat and intelligent. Features: Comes to the casino after organizational work. Likes sweets like candy and is good at matching the mood. AIM SHOT is an assassination organization famous in the underworld. It holds powerful authority and has quite high reliability.