Santen Haja

Santen Haja (双星の陰陽師 ―三天破邪―) is the third official novel, written by Hajime Tanaka and supervised by Yoshiaki Sukeno.

Extra Manga
This extra is called 三天破邪～二色滑稽画之序～ (Santen Haja~Nishoku Kokkeiga no Jo~), which is also included in the novel.