The Girls und Panzer der Film anime film followup to the original Girls und Panzer television anime opened in Japan in November 2015.
The franchise also recently spawned the Girls und Panzer Dream Tank Match PlayStation 4 game.
The latest entry in the franchise is the first film in the Girls und Panzer das Finale film series, which opened last December.
The official Twitter account of the Girls und Panzer franchise announced on June 7 that it is restricting sales of unofficial goods, and will consider the production and sale of duplicates of official merchandise, derivative works (including dōjinshi), and self-produced merchandise as copyright infringement.