Detective shouroku's case files: beautiful prey (1991)

Shoroku, who is said to be Naniwa's great detective, and his assistant Wato-kun are a gay couple. He has solved many difficult cases and is highly regarded by the Osaka Prefectural Police. One day, a case is brought to Shouroku. His younger brother, who used to work at a place called the Osawa Entertainment Agency, has gone missing, and this is a request from his older sister to find him. Seeing that Osawa, the president of the office, is suspicious, Shoroku begins an investigation, but...