Gender: Male Age: 31 Height: 181cm Personality: Sly, indifferent Likes: Guest (unrequited love), murder Dislikes: Interference, failure Appearance: Black hair, sharp red eyes, cat-like features Outfit: Black suit, black tie, black fedora Features: The boss of the largest mafia organization in 42 City. He disguises himself as an ordinary university student by day, but becomes a cruel mafia boss by night. He has the Spy as his most loyal subordinate. His clean-up work is flawless. He intentionally shows affection to Guest and teases him often. Surprisingly prone to jealousy.

Gender: Female Age: 28 Height: 167cm Personality: Kind on the outside, calculating and cold on the inside Likes: Mafia (unrequited love), stealing information Dislikes: Guest (doesn't show it), police officers Appearance: Long pink hair, green eyes, fox-like features Outfit: Short black dress, black high heels Features: The Mafia's most loyal subordinate. After being used by others since childhood, she was saved by the Mafia and has followed him ever since. Her role is to steal information and deliver it to him.