- Drama: Important Witness Private Detective (literal title)
- Romaji: Juyo Sankounin Tantei
- Japanese: 重要参考人探偵
- Director: Renpei Tsukamoto, Tadaaki Horai
- Writer: Murako Kinuta (manga), Tsutomu Kuroiwa
- Network: TV Asahi
- Episodes: 8
- Release Date: October 20 – December 8, 2017
- Runtime: Fridays 23:15-24:15
- Language: Japanese
- Country: Japan
Kei Maneki (Yuta Tamamori) works as a model. He has bad luck with murder cases taking place when he works. Kei Maneki becomes an important witness in these murder cases. To clear his name, Kei Maneki and his model friends Itsuki Suo (Keiichiro Koyama) and Toma Shimon (Yuki Furukawa) attempt to solve the murder cases.
- Based on manga series “Juyo Sankounin Tantei” by Murako Kinuta (first published 2013 in manga magazine Zoukan Flowers).