Thus Spoke Kishibe Rohan is a Japanese manga series written and illustrated by Hirohiko Araki. It is a spin-off of Araki's long-running series JoJo's Bizarre Adventure, specifically its fourth part, Diamond Is Unbreakable. The series began serialization in Weekly Shōnen Jump in 1997, with additional stories published sporadically over the following decades in various magazines such as Jump Square, Shōnen Jump+, and Bessatsu Margaret.
The manga focuses on Rohan Kishibe, a successful and eccentric manga artist who travels the world seeking inspiration for his work. His encounters often lead him into bizarre and supernatural mysteries, which he investigates using his Stand ability, Heaven's Door, which allows him to read and write commands into a person's memories and physical form. The stories are structured as standalone, often horror-tinged vignettes that explore themes of art, obsession, and the macabre.
Unlike the main JoJo's Bizarre Adventure series, which is known for its flamboyant action and multi-generational sagas, Thus Spoke Kishibe Rohan adopts a more subdued, psychological horror tone. It has been collected into multiple tankōbon volumes and has garnered a dedicated following, praised for its unique storytelling and the deeper exploration of one of Diamond Is Unbreakable's most popular characters.