Two Moon

Two Moon summary:

Prince Jin was eleven when he disappeared into the forest in the middle of the night. There, he met a mysterious being that took over his body and turned him into a hybrid with great strength. Five years later he returned and demanded land and wealth for his family. Thanks to his medallion, Jin proved that he was a prince, and therefore Queen Byuk Ha was forced to leave her post. Some people wanted to get rid of him by sending ninjas to kill him... But it won't be easy to destroy him!