Caius Von Sylvester was a king of the Liechterstin empire. He was a generous and humble king and brought all his people to live in prosperity and peace from the threat of demons whose territory was close to theirs. He then married politically to the crown princess of a small kingdom called Caspian located across the ocean from his kingdom. However, on their wedding day, the bride-to-be was kidnapped by demons. He hate Severin, the demon lord.