In 1999, Joutarou Kuujou heads to Morioh, Japan, to meet his distant relative Jousuke Higashikata and investigate a dangerous Stand user. Upon arrival, he quickly locates Jousuke, who turns out to be a high school student with his own Stand named Crazy Diamond. Together, they uncover a scheme involving a mystical bow and arrow creating Stand users in Morioh. Determined to protect their town from these newfound threats, Jousuke navigates alliances and rivalries, discovering the intimate connection between one's desires and their Stand's nature. Delving deeper into Morioh's enigmatic past, they unravel hidden perils and an age-old mystery.