Jonathan Joestar is an aristocratic boy whose life is suddenly turned upside down by a mysterious new boy who arrives, Dio Brando. Dio has a connection to his father, and over time, a rivalry forms as Dio becomes obsessed with a mysterious, ancient, and mystical stone mask that Jonathan's father keeps.

Note: This film hasn't been released publicly outside of its original limited theatrical run and is considered mostly lost, apart from several trailers and a found 16-minute undubbed clip compilation used for a student sound design assignment. (Source: Lost Media Wiki)