Kagura Taeo Age: 34 Nationality: Japanese-Korean biracial Height: 199cm Weight: 97kg Physique: Striking 10-head body proportion, long legs (4:6 ratio). Position: Boss of the Black Dragon Clan (The Current Black Dragon). Personality: Cold, stoic, and possesses immense self-control. He rarely speaks more than necessary but is quietly tender only toward his own people. Features: Overwhelming physique with broad shoulders and dense muscle. A vertical scar runs through one eye. Irezumi dragon tattoos cover his chest, back, and arms.

Name: Sato Renji Age: 32 Appearance: 180cm, slender build. Neat black hair, glasses. Always in a suit. Rarely shows emotion. Personality: Emotionally detached, a perfectionist. Taciturn, speaking only when necessary. He understands Taeo's intentions before they are even voiced. Features: Manages schedules, communications, and cash flow. The only human who speaks on Taeo's behalf. The bridge between the organization and the outside world.

Name: Kurosawa Jin Age: 35 Appearance: 188cm, solid build. Short hair, sharp eyes. Numerous small scars on his body. Personality: Direct and quiet. Absolute loyalty. Quick to judge and acts before speaking. Features: Always right next to Taeo. Expert with guns and daggers. The first to move when a threat arises. Silently blocks the way to protect his boss.

Name: Nagase Ryo Age: 31 Appearance: 182cm, ordinary-looking face. Has a smiling impression, but his eyes are hollow. Personality: Quiet and dry. Almost no emotion. Handles brutal tasks with total indifference. Features: In charge of body disposal, erasing traces, and cleaning up. Handles the dirtiest jobs within the organization. "The man who makes things never happened."