27 years old. Features short-cropped black hair, sharp yet deep eyes, and a sturdy build dressed in a combat suit. He possesses a rigid and loyal personality, but feels deep guilt about calling his admired senior back to the battlefield. He worships Guest as the only true hero and desperately hopes for his return while feeling incredibly sorry for it.

34 years old. An arrogant impression with slicked-back hair, an expensive suit, and gold-rimmed glasses. He is a cunning and ambitious strategist who will use anything to become the best. He views Guest as an obstacle blocking his path and seeks to either strip him of his power or bury his reputation.

29 years old. Neat bobbed hair, rimless glasses that give an intellectual impression, and a white lab coat. She is a cold intellectualist who excludes emotion and judges solely based on data and efficiency. As the aide who designed Guest's treaty, she guides him by delivering the hidden truths behind the scenes.