Rakuin no Monshou

is a Japanese light novel series written by Tomonori Sugihara, with illustrations by 3. The series began publication on May 10, 2008 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A world dominated by highly intelligent dragons and supported by civilizations that use demons.

After a decade of war, Mephius and Gerbera were trying to put an end to the long battle with a political marriage between the royal family. Orba, who became a gladiator after being chased from his hometown by the war when he was young, will be replaced by the prince of Mephius, who is rumored to be a liar, because he looks like a melon.

On the other hand, the courageous princess of Gerbera, Virina, secretly decides to entice the prince for the benefit of her own country. During the wedding of these two people, there was an attack by someone !?

What are their thoughts and whereabouts of peace?