Detective versus Detectives

Episode 10 (1x10)

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The man Sasaki Rena incapacitates with her stun gun is detective Kamoi Shuichi. When Rena asks why she's being investigated by a legitimate detective agency, Kamoi explains that he's not the only one after her. Detectives Kodama Shoji and Kurokawa Yusuke appear before Rena as well. The three claim to belong to another agency's Anti-Detective Department. From the shadows, another figure secretly observes their interaction.