Memoirs of a King: Once a Prisoner

The young prince of Lexu Kingdom was framed and fell into a deep cliff, but was rescued by a handsome vampire. Many years later, the former prince became king. Disaster strikes, and when he wakes up from his dream, the king has become a prisoner of a vampire. Will he take back his country and realize his wish to become a wise king? Or will he fall into the arms of a vampire?