Original name: 暗黑者
Release date: June 24, 2014
Series
Average time: 30 minutes
Genres: Crime, Drama, Comedy, Mystery
Synopsis: A series of serial killings is exposed and creates a stir among the public. A killer called "Darker" has been leaving a death notification card after killing scumbags who evaded the law. To counter the provocation of the mysterious killer, the police creates a special investigation team.
