Rakuin no Monshou XII Akatsuki no Sora wo Ryu wa Kakeru (II)

is the twelfth volume of the Rakuin no Monshou light novel series, written by Tomonori Sugihara and Illustrated by 3. It was released under the Dengeki Bunko Imprint in October 2012.

Synopsis
Orba goes through an audience with Emperor Ghoul and heads for Ende's rescue. At that time, the Ende army was in a difficult situation because of the pitfall of Crown Prince Caseria of the great power Arion. On the other hand, in the imperial capital Solon, Empress Melissa was standing in the temple of the dragon god with the ghoul. In a stalemate, Virina, who returned from Gerbera, will take on the role of messenger. What is the fate of Orba and Virina in each battle !?

(source: Bookwalker JP - Translated)