Kugane Maruyama 's Overlord light novel series announced that the 11th volume will include a 30-minute OVA featuring a series of short stories titled Pure Pure Purea Desu. The 11th volume will be released on September 30, 2016.
The series was adapted into a TV anime by Madhouse , which premiered on July 7, 2015, with a total of 13 episodes.