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
The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families.

Orba, who was driven from his home because of the war and was forced to become a gladiator, looks exactly like the crown prince of Mephius, and it has been decided he will be substituting him during the wedding ceremony. On the other hand, Vileena, the princess of Garbera, has secretly decided to ensnare the crown prince for her own country’s interests.

Related Series

 * Tales of Leo Attiel