A popular manga creator becomes enmeshed in paranormal events while conducting research.

Set between Diamond Is Unbreakable and Golden Wind, the series follows the character Rohan Kishibe, a famous manga artist who wants to give his works more realism, and therefore travels around the world to draw inspiration from people's lives. He does this by using his Stand ability, a manifestation of his inner strength, named "Heaven's Door", which he uses to read and write in a person, allowing him to learn everything about them and alter their memories and behaviors.