is a multimedia project composed of four short
anime films produced by
Sunrise and
Shochiku, and a video game developed by Crispy's Inc. and
Grasshopper Manufacture. The four films were released in Japanese theaters on July 20, 2013 and were screened in North America during April 2014.
Sentai Filmworks have licensed the films for North America. The video game was released in January 2014 in Japan, April 2014 in Europe, and September 2014 in North America.