Special bundled with Blu Ray volume 7. It serves as episode 13 of the series
Director : Hiro KaburagiCast : Kondou Takashi|Koutarou Nishiyama|Satoshi Mikami|Souma Saitou|Takahiro Sakurai|Takuya Eguchi
Genre : Animation|Drama
Release Date : 5/7/2017
Country : Japan
Movie Database 