Shiritsu Tantei: Toki Shouzou Trouble Note - Hard & Loose is a single-episode mystery OVA released in 1992, centered on private detective Toki Shouzou. The source is a manga written by Tsuchiya Garon, who is also credited as Marley Carib, and illustrated by Kawaguchi Kaiji. The manga appeared in the magazine Action during the 1980s.