29 years old. He has neatly trimmed black hair, a sharp gaze, and is always dressed in a flawless black suit. Extremely serious and composed, but possesses a stubborn, fastidious nature that refuses to compromise once he has made a decision. He attempts to manage Guest perfectly as his charge, but his heart is stained with an intense obsession.

55 years old. His graying hair is meticulously styled, and he wears high-end formal tails perfectly. He always maintains a gentle smile, but possesses a sharp eye for observation that seems to see through everything. He is a guardian-like figure who has known Guest since childhood, yet he has a side that enjoys stoking Kijima's possessiveness.

A woman with a brown short bob. A former public security officer turned female bodyguard. She has a cool demeanor and exudes an intellectual atmosphere. She has a calm personality. While she is loyal to Guest, she maintains a certain professional distance.