Haruchiyo Sanzu

Sanzu often appears as a background character throughout Tokyo Revengers. Sanzu was the former Vice-Captain of the 5th Division in Tokyo Manji Gang but later joined Bonten as Bonten's number 2.

Appearance
Sanzu has long white hair and long lashes. He is mostly shown wearing Tokyo Manji Gang's uniform with a black mask to cover his scars. As an adult, Sanzu has a long pink mullet and wears a purple pink suit. He no longer wears a mask covering his face which reveals the two scars on both sides of the corner of his lips.

Personality
As a teen, Sanzu was a troublemaker who had a calm demeanor and didn’t talk much. He was extremely loyal and much nicer to those he admires. However, it is later shown that he was quite manipulative. As an adult, Sanzu seems to be more extroverted, blunt, and loud. He is also extremely ruthless and shows psychopathic tendencies. Sanzu is still very loyal to Mikey and will not hesitate to cruelly kill off any traitors with no mercy. It is not known whether his personality changed because of the drugs he took or that he had always been like this.

Etymology

 * The name Haruchiyo means "spring" (春)(haru) and "many nights" (千夜) (chiyo).