Aura: Koga Maryuin's Last War

Aura: Koga Maryuin's Last War (AURA ～魔竜院光牙最後の闘い～, Aura: Maryūinkōga Saigo no Tatakai) is a Japanese light novel written by Romeo Tanaka, with illustrations by Mebae, published by Shogakukan under their Gagaga Bunko imprint in July 2008. A manga adaptation by Kōichirō Hoshino was serialized in Shogakukan's Shōnen Sunday S between February 2012 and March 2013. An anime film by AIC ASTA premiered in April 2013.