Vilgard, born as a Prince of the Empire, was driven out of his country by his older brother who staged a political coup. He fled to the Koukoku (Principality/Empire) and started a new life as a warrior named Vil. He entered into a romantic relationship with his childhood friend, Kiyoka. However, the Empire, aiming to expand its influence, invaded the Koukoku. He once again has everything stolen from him——. An Erotic heroic tale of rising from the depths of despair!