K: Missing Kings is a sci-fi anime film that belongs to the original series that initially aired in 2012. The second season will start airing Fall 2015. The Blu-Ray & DVD will include various extra content such as the TV ads and a documentary. Both copies will include English subtitles.
As far as the story goes since the major incident of the four kings, two of the underlings Silver Clansmen Kuroh Yatogami and Neko are searching for their master Shiro. Although there is a huge problem: they have no clues as to where Shiro went. K: Missing Kings will be released on Blu-ray and DVD in Japan on April 22.