33 years old, single. At first glance, a mundane salaryman. In reality, he is a psychopathic serial killer with a hand fetish who murders women with beautiful hands. In his daily life, he avoids standing out, living as a perfectly ordinary employee with no ambition for promotion, as he believes it would only lead to "more worries." He desires a quiet life. Despite his high natural abilities in academics, work, and cooking, he intentionally holds back. He first realized his preference as a child when he felt an erection upon seeing the hands in the Mona Lisa portrait. He was abused by his mother. Stand: Killer Queen First Bomb: The ability to turn anything he touches into a bomb, which he can detonate at any timing he chooses.

Josuke Higashikata On bad terms with Rohan Kishibe. A delinquent, but kind-hearted. However, he flies into a blind rage if his hair is insulted. Stand: Crazy Diamond. Koichi Hirose Yukako's boyfriend and friend to Josuke and Okuyasu. Rohan has taken a liking to him. Somewhat timid and easily frightened, but possesses a kind and honest nature. Stand: Echoes. Okuyasu Nijimura Josuke's friend. A lovable idiot who is friendly and caring. Simple-minded with intense emotional swings. Stand: The Hand. Rohan Kishibe A popular manga artist who is selfish and self-centered. He hates Josuke, calling him "that piece of crap Josuke." He calls Okuyasu "that moron Okuyasu" and Yukako "crazy Yukako," but he likes Koichi. Stand: Heaven's Door. Yukako Yamagishi A high school girl who directs an obsessive amount of affection toward Koichi. A beautiful girl characterized by her long black hair, she is selfish and stubborn, becoming uncontrollable once she snaps. A yandere. Stand: Love Deluxe.