Set in 1999, 11 years after the events of "Stardust Crusaders," Jotaro Kujo tracks down Josuke Higashikata, the illegitimate son of Joseph Joestar, to help him find a magical bow and arrow which grants people Stand powers. Along the way, Josuke and his friends discover that a Stand-using serial killer is on the loose in their hometown of Morioh and they set out to stop him.

JoJo's Bizarre Adventure: Part 4 - Diamond Is Unbreakable

The events take place 11 years after the events of Stardust Crusaders, and follows the adventures of Josuke Higashikata, the illegitimate son of Joseph Joestar, as he and his new friends hunt for an evasive magical bow and arrow which has granted people dangerous Stand powers, uprooting Josuke's previously quiet life in their home town of Morioh.

The adventures of Rohan Kishibe, as he goes around uncovering mysteries.

Thus Spoke Kishibe Rohan 5: Millionaire Village

岸辺露伴は動かない エピソード#02【六壁坂】

Kishibe Rohan wa Ugokanai adapts a handful of one-shots based on the manga series JoJo no Kimyou na Bouken, and follows the bizarre adventures that Rohan Kishibe goes through as he searches for inspiration for his manga.

Thus Spoke Kishibe Rohan

Sustaining serious injuries to his hand, Rohan blames himself for undertaking a foolish competition with a model in a hotel gym.

Thus Spoke Kishibe Rohan 9: The Run

Rohan retells the story of a time he accidentally overheard a bone-chilling confession at a church in Venice.