Aria the Scarlet Ammo(緋弾のアリアHidan no Aria) is a Japanese light novel series by Chūgaku Akamatsu with illustrations by Kobuichi. As of April 2010, 6 volumes have been published by Media Factory under their MF Bunko J label. A manga adaptation by Yoshino Koyoka started serialization in the seinen manga magazine Monthly Comic Alive on September 26, 2009. An anime adaptation has been announced.