Yoshikage Kira is the main antagonist of Diamond is Unbreakable and the third major villain in the JoJo’s Bizarre Adventure series. Living unnoticed in Morioh for years, he hides a secret life as a paraphilic serial killer. His routine begins to unravel when the ghost of his first victim seeks justice and when he draws attention by killing Shigekiyo Yangu. This leads Josuke and his allies to hunt him down in order to stop his crimes.