Bundled with the limited editions of the 15th and 16th volumes of the manga.

15th volume DVD is planned to be released on November 17, 2015. It will adapt the Nijikan no Teikei ni So Koto (Following A Stereotypical Two Hours) story from the first volume of the Noragami: Shuuishuu spinoff manga

16th volume DVD will adapt the manga's 41st chapter where the main characters go to "Capyper Land."

[Source: MyAnimeList News]