Judge Manabu, also known as Manabu-saibanchou or Manabu-kun, operates as the guide and administrator within the Tomodachi Game. This enigmatic mascot character, distinguished by his white hair and black eyes, ushers participants into high-stakes games designed to settle significant debts. His core function centers on overseeing specific game rounds, most notably presiding as the judge over the third game, the "Friend-Sin Trial." In this role, he enforces the rules and observes participant interactions. As the designated "An'naibito" (guide), he facilitates the progression of the games, ensuring strict adherence to their established structures and objectives. No concrete details exist regarding his background, origin, personal history, or character development across any official media. Information about his age remains unspecified. While some sources list his gender as male, others offer no confirmation. Descriptions of his personality, motivations, or evolution throughout the narrative are absent from available sources. The character serves primarily as an instrumental figure within the game's mechanics, distinct from a developed persona with personal history or narrative arcs.