Ron Kamonohashi's Forbidden Deductions

The Case of the Shibuya Apocalypse Serial Murders (Part 1) (2x1)

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There's been a murder in Shibuya. A man has been found killed in a ghastly and impossible manner. Toto and Amamiya arrive at the scene to find Ron already there. A mysterious message makes them wonder if there's more to the crime than meets the eye.