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. He leads the Bonten, an organization of criminals. Manjiro is wealthy. He 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. His bodyguard, Sanzu, has pink mullet hair and scars near his mouth. Sanzu is serious and loyal to Manjiro.