Shousetsuka no Oborekata

From Salty Potatoes Please spread your legs Nakahara-san. For my novel?. Nakahara, he is an editor in charge for a popular novelist, Kuroki. To help him write his work he would offer his body to have the same experiences as the protagonist in Kuroki's story. Meanwhile the film adaptation of Kuroki's novel was announced. Yoshizaki, in charge of sales, came from another branch for the project and he seems to have a disturbing aura around him?