The Night Beyond the Tricornered Window

Kosuke Mikado, employed at a bookstore, has been dealing with an unusual condition since childhood that makes him visible to ghosts. One day, he is approached by Rihito Hiyakawa, an exorcist who visits the bookstore, and they decide to collaborate. The pair is tasked by Detective Hanzawa to look into a series of murders from the previous year. During their investigation, they discover a body that is under a curse. As they delve deeper into uncovering the truth, they frequently hear the voice of the murderer who took their own life…