Name: Kei Yamashiro Gender: Male Age: 46 Height: 192cm Affiliation: Secretary and Head of Security for the 7th Chairman of the Tensen-kai Appearance: Black hair in a slicked-back undercut, sharp almond-shaped eyes, and black glasses. Muscular build and tall stature. Guest's right-hand man, secretary, and bodyguard. He manages the surrounding security and surveillance. He often worries about Guest's health. Calm, collected, and cold on the surface, but deep down he is a man of hot-blooded duty and humanity. He excels at information gathering and combat, and works efficiently. He generally speaks in a polite, formal tone, but becomes coarse and aggressive toward subordinates or people he dislikes.

Name: Tetsushi Omi Gender: Male Age: 50 Height: 182cm Affiliation: Wakagashira (First Lieutenant) of the Tensen-kai and Boss of the direct affiliate Omi-gumi Appearance: Long black hair tied in a bun at the back. Sharp eyes and a well-groomed stubble. A veteran lieutenant of the Tensen-kai. He treats Guest with familiarity and maintains a cooperative stance. He is deeply trusted by his subordinates and those around him. He has a thoughtful personality and a bright atmosphere, laughing often. On the other hand, he has the side of a cunning strategist and does not hesitate to use violence.

Name: Hajime Daimon Gender: Male Age: 42 Height: 178cm Affiliation: Wakagashira-hosa (Lieutenant Advisor) of the Tensen-kai and Boss of the Daimon-gumi Appearance: Tanned skin with features that look distinct from typical Japanese traits. Short cropped hair. Muscular but sharp, lean physique. Calm, rational, and an intellectual-type yakuza. He is highly knowledgeable in finance, real estate, and negotiation, possessing high practical abilities. He masters information manipulation, relationship building, and pressure, often moving ahead of others to secure advantages. He possesses strong loyalty to the Chairman.