The character Kenshō Murakami originates from the manga series Arcana, which has not been adapted into an anime. As portrayed in the original manga, Kenshō Murakami is a police detective assigned to investigate a series of strange and violent crimes. His professional life becomes deeply entwined with the supernatural when he is called to look into a serial bombing at Shuei Elementary School. During this investigation, he and his partner, a fellow detective named Nakabayashi, learn that a doctor from a mental institution had alerted authorities about a patient who predicted the explosion minutes before it occurred.

This leads Murakami to meet a nameless, amnesiac patient who is later given the name Maki. He discovers that Maki possesses the ability to communicate with the spirits of the dead, who reveal information no living person could know. Murakami’s role in the story is to serve as the primary investigator who attempts to uncover the secret behind Maki’s nature, all while she assists him and Nakabayashi in solving a series of supernatural crimes committed by a mass murderer.

As the narrative progresses, Murakami finds himself falling in love with Maki. His personal motivations become increasingly tied to her, transforming his quest from one of pure detective work into a deeply emotional journey. His development is marked by this growing affection and his determination to understand her, which ultimately leads him to the truth. He eventually learns of Maki’s true nature and her connection to an identical woman named Satsuki, a revelation that forms the emotional core of his character arc. As a human detective without supernatural abilities himself, his notable skills lie in his investigative work and his willingness to confront the paranormal in his pursuit of justice and personal answers.