K Missing Kings
Ever since the School Island Incident, in which the four Kings were involved, the Silver Clansman, Kuroh Yatogami and Neko were on their search for their master Shiro. Unable to find any leads to Shiro, the two were in a gloomy mood until they ran into HOMRA members, Rikio Kamamoto and Anna Kushina who were apparently being chased by someone...
Starring Daisuke Namikawa, Daisuke Ono, Tomokazu Sugita, Mikako Komatsu, Kenjiro Tsuda, Hiro Shimono, Jun Fukuyama, Kaori Nazuka, Kazuyuki Okitsu, Mamoru Miyano
It's a action & adventure and animation movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United Kingdom.