King Shoryu is the ruler of En, as well as a skilled leader from feudal Japan who lived around 500 years ago. Originally leading his own clan, he was later taken by Enki to rule over the kingdom of En, which had previously been in turmoil. Despite this, Shoryu's reign has led to peace and prosperity for the nation. He aided Youko in her quest to reclaim Kei and rescue Keiki, as they are both fellow taikas. As such, he feels it is his duty to guide and support Youko during her new life.