Blu-ray listings for the Spring 2016 anime Joker Game reveal that they will include a new two-part anime episode titled Kuroneko Yoru no Bouken, split between two Blu-ray boxes. The DVD releases of the series will not contain the new anime.

The first Blu-ray box containing the first six episodes of the series will be released on July 27. The second one containing the final six episodes will be released on September 28. The Blu-ray boxes will also include booklets with designs from the series and the original soundtrack CD titled "Out of TRACK." The DVD releases are spread over four volumes between July 27 and October 26.

Joker Game is based on a 2008 spy novel written by Kouji Yanagi.

Source: Official site