Kamen Rider Zero-One

That Detective Has Arrived (1x12)

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Following the attempt on Owada's life, the police and A.I.M.S. launch an investigation into Hiden Intelligence. To assist in their efforts, the former brings in a detective HumaGear and Izu's "brother", Was Nazortoku. Meanwhile, the Assassin HumaGear has grown tired of following Jin's orders and seeks to go his own way following his evolution.