How Does the Novelist Get Addicted to Him?

Nakahara is an editor in charge of Kuroki, a popular novelist. To help him write his work, he would offer his body to have the same experiences as the protagonist in Kuroki's story. Meanwhile, a film adaptation of Kuroki's novel was announced. Yoshizaki, in charge of sales, came from another branch for the project and tries to reveal Kuroki's relationship, but...