Chain Chronicle

is a tower defense Japanese role-playing game developed and published by Sega for iOS, Android, and PlayStation Vita. It was released in Japan on July 26, 2013 for iOS, August 1, 2013 for Android and on July 16, 2014 for the PlayStation Vita. The game is licensed in Asia by SNDA in China, MobiMon for both Taiwan and Macau, Actoz Soft for South Korea and gumi Asia for both Southeast Asia and North American release, until it was closed down in February 29, 2016.

The series spawned an original video animation series directed by Takeshi Mori, animated by Jūmonji, and was released on December 18, 2014. An anime film trilogy titled Chain Chronicle: The Light of Haecceitas premiered in Japanese Theaters between December 3, 2016 and February 11, 2017. An anime television series adaptation compiling the film trilogy aired from January 8 to March 25, 2017.

Plot
The continent of "Yggdra" is a place where humans, ogres, giants, forest sprites, and many mythical creatures live. The peaceful continent was led by the Holy King until one day, a mysterious group called the Black Army appeared and started conquering the land. In response, the Holy King and its troops fought against it, but Holy Capital fell and the Holy King was killed by the mysterious Black King. As the continent was in the glimpse of destruction, hope glimmered as one man decided to fight back and formed the Volunteer Army to oppose the Black King and bring peace back to Yggdra.