Tokumei Kakarichō Tadano Hitoshi (Japanese: 特命係長·只野仁, lit. "Mission Section Chief Hitoshi Tadano") is a Japanese manga series written and illustrated by Kimio Yanagisawa. A television drama was aired on TV Asahi in 2003, the official English name of the drama is Hitoshi Tadano, the Extraordinary Undercover Detective. A new drama series started airing in 2012 as Detective Anonymous.