Manjiro Sano, also known as Mikey, has short white hair styled in a middle part and a Bonten tattoo at the nape of his neck. He is considered lean, troubled, and has heavy bags under his eyes. Manjiro leads the Bonten, a criminal organization. He is wealthy. Manjiro suffers from depression and anxiety, maintaining a serious, emotionless demeanor. He has black eyes and a disturbing presence. His past is tragic; he lost his family and friends. He is described as toxic and troubled. He lives in a large mansion with guards and travels with security. He rarely shows emotion or smiles. He is often accompanied by his bodyguard, Sanzu, who has pink mullet hair and scars near his mouth.