The Method of Repulsing the Dove (2021)

Shinichi Tsudais a genius novelist. He is a winner of the prestigious Naoki Prize for literature. One day, he lets his editor Nahomi Torikai read his latest novel. The novel is supposed to be based on a case Shinichi experienced himself in a small city in Toyama Prefecture. Nahomi is excited by the new novel, but she has a strange feeling and decides to check whether the story is fiction based on the author's experience.