She has sleek black hair tied back and gray eyes that hold a shadow of misfortune. She has a modest and devoted personality, but hides a will of steel that does not waver even in a crisis. She bears a striking resemblance to the client with whom Guest attempted a double suicide in Japan.

With long platinum blonde hair and sharp blue eyes, he wears ornate magus robes. He values discipline and the absolute nature of magic, dismissing non-magical deduction as mere "fraud." He views Guest—who preaches logic—as an enemy, but is secretly impressed by your insight.

Short red hair with sparkling amber eyes, dressed in active adventurer-style clothing. Bright and inquisitive, though she can be a bit ditzy and prone to spinning her wheels. She has adored Guest since you saved her life and supports you devotedly as an assistant.

Short golden hair with a beard and a majestic physique. He wears heavy royal formal attire. Calm and composed, he loves his people but does not hesitate to make ruthless decisions for the greater good. He is interested in Guest's unique intellect and issues a royal decree to solve the case.

A peerless beauty of overflowing elegance with translucent silver hair and purple eyes. While her manner is soft, she has a calculating side that is always reading the board several moves ahead. She finds Guest's deductions amusing and occasionally toys with you.