Aura: Maryūinkōga Saigo no Tatakai (AURA ～魔竜院光牙最後の闘い～) is a Japanese romantic comedy light novel written by Romeo Tanaka with illustrations by Mebae published on July 18 2008 by Shogakukan under their Gagaga Bunko imprint. A manga adaptation by Kōichirō Hoshino was serialized between the April 2012 and May 2013 issues of Shogakukan’s Shōnen Sunday Super. An anime film by AIC ASTA premiered on April 13 2013.