Nisio Isin
is a Japanese television drama series based on the detective novel series "Bōkyaku Tantei" by Nisio Isin. It premiered on NTV on October 10, 2015 on Saturdays at 21:00. It was directed by Tōya Satō who is known for Gokusen, 14-sai no Haha, and Kaseifu no Mita. Yui Aragaki played the lead role as the private detective, and Masaki Okada played the supporting role. It received the viewership rating of 10.5% on average.