Bakumatsu Mahoushi III -The Eastern Beast-

is the third volume of the Bakumatsu Mahoushi light novel series, written by Soji Tanabe and Illustrated by Kaya Kuramoto. It was released under the Dengeki Bunko Imprint in August 2011.

Synopsis
Iori and Touma learn that the fake Kogoro Katsura, who is causing confusion in the world, has failed in the battle of the defeat and has appeared in the main team of the Tenchugumi under the siege of the shogunate army. There, they persuaded Tosa Goji, who participated in the outrage, and headed to Yoshino, deep in the mountains, to capture Kogoro's fake, along with Ryoma Sakamoto, who plans to draw him into the Navy School. A girl dressed as a man who flies at the end of the Edo period. A strange witch and a vicious beast appear in her path ... The power of magic shakes the heavens and the earth, and the innocent soul falls to the outer road. Ryoma Sakamoto is finally here! The 3rd Bakumatsu fantasy that won the 16th Dengeki Novel Grand Prize !

(source: Bookwalker JP - Translated)