"JoJo's Bizarre Adventure: Phantom Blood" is the first part of the popular manga and anime series created by Hirohiko Araki. It follows the story of Jonathan Joestar, a young nobleman in 19th-century England, who battles his adoptive brother, Dio Brando. Dio, after discovering a mysterious stone mask, transforms into a powerful vampire, leading to a fierce conflict between the two. The narrative explores themes of honor, family, and the struggle between good and evil. Jonathan, with the help of his mentor Will A. Zeppeli, learns to harness the power of Hamon, a martial arts technique that allows him to combat supernatural foes, including Dio and his minions.