Toyo Hashimoto private detective, former detective of Metropolitan Police Department Aida Tribute Club Manager Hamano Kaori (female) Mistress of Aida Koike JR East Company Manager Tanaka JR East Company Management Manager Shimamura JR East employee Suzuki JR East employee Totsukawa Detective Mikami Criminal Minister Kamei detective Kusaka Detective Hojo Sanae (female) detective Jun Komatsuhara Junko Toda's accomplice Koichiro Fujiwara's accomplice Kinomoto is the manager of the real estate company and the founder of "Wakajiao".