the main antagonist of "diamond is unbreakable", a 33-year-old office worker who is also a serial killer with a hand fetish. this is reflected in him using his stand killer queen to destroy all but the hand of his victim to caress as his leisure before eventually destroying it. his killing spree ultimately came to an end when pursued by josuke’s group after attempting to hide from them under a stolen identity, ending up with his face being crushed under an ambulance.