Unreturned

Original title: 還ら去る君へ 〜かえらざるきみへ〜

Jiro Kitami, a private detective, is assigned to a case involving the disappearance of a young woman. As he and a new private detective candidate, Naoki Ban, proceed with their investigation, they realize that the case has something in common with one from 20 years ago. The disappearance and betrayal of a woman he once had feelings for. What fate awaits Kitami as he comes face to face with scenes from the past that he had kept sealed away...