The true identity of Hotan Jinyi

The real identity is the housekeeper of Dagang Hongye. According to the query of the app, it is also the Japanese public security police (who has resigned from the public security position). Detective Conan tells the story of Kudou Shinichi, a high school detective, and his friend Mao Lilan when they went to the amusement park, and witnessed a suspicious transaction scene of a man in black. After being discovered, he was unfortunately poisoned and his body became a pupil.