The love comedy action novel series has already been adapted into TV anime three times: the first High School DxD in 2012, second High School DxD New in 2013, and third High School DxD BorN in 2015.
It is confirmed that a new TV anime series based on Ichiei Ishibumi’s High School DxD action fantasy light novel series is in the works.
The light novel series has published 22 volumes since September 2008 and has printed over 3.1 million copies in Japan.