Bungo Stray Dogs 2: Walking Alone(2017)

Bungou Stray Dogs: Hitori Ayumu

Bundled with the 13th volume of the Bungou Stray Dogs manga, adapting Chapter 40 of the manga.

Note: While this was released related to the second season, the chapter it adapts both chronologically takes place during the third season as well as the chapter count its from is during the third season.