The lights shine brightly in neon drenched Kabukichou, but where there's light there's shadow. In the midst of all the chaos, Mrs. Hudson's tenement and its eccentric detectives stand firm. Rakugo-loving, fastidious Sherlock Holmes is joined by a pair of enchanting sisters, a former policeman and a reformed yakuza member, as they investigate their most difficult case yet when "Jack the Ripper" embarks on a deadly crime spree.

Source: Tokyo Otaku Mode

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Side story: Kabukichou Sherlock (2020)