Crazy Diamond's Demonic Heartbreak

Kouhei Kadono x Tasuku Karasuma (上遠野浩平 × カラスマタスク) is the yet to be named spin-off manga written by Kouhei Kadono, author of Purple Haze Feedback, and illustrated by Tasuku Karasuma, author of.

It was announced in the September 2021 issue of Ultra Jump on August 19, 2021, and will be starting in the January 2022 issue of Ultra Jump releasing in December 2021.

Summary
The story takes place in Morioh before the events of Diamond is Unbreakable.

Trivia

 * This is the first official JoJo's Bizarre Adventure manga spin-off not to be illustrated by Hirohiko Araki.