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Conan smelled the ecstasy in Xitiao wardrobe and thought it was not that simple. Like a witness, asked what he saw at that time, Conan found the murderer from the portrait of the deceased diving before his death. After returning to the club, conan fan was stunned by Kogoro, and called everyone together to expose the truth, and identified the murderer-Mujima Maji from the earrings in the portrait. Mujima loves to watch for a long time and has nothing to say, and admits to killing himself.

The reason why Mujima has been killed for a long time:

Jundao was originally a representative diver, and his girlfriend in the back seat was seriously injured because of a motorcycle accident. As soon as Xitiao heard it, he reported to the person in charge and the Committee of the General Assembly that Jundao lost his qualification as a representative diver and turned to competitive events, making Xitiao a representative diver. Mujima was unwilling for a long time, so he killed him and wanted to get back the qualification of diving representative.