When Raygil, the young king of the Kingdom of Indran, was a boy, he once rescued a beautiful boy from a bandit who was selling himself to the sea. His relationship with the Naga boy, Shandra, lasted only a short time before he returned him to the sea, but it became an irreplaceable memory for both of them. After a dozen years, Raygil retired from his position as king after many twists and turns and became a traveler who wandered the seas. One day, Raygil was attacked by a sea monster that was causing trouble in the seas and was sinking to the bottom when a beautiful young man with beautiful white hair rescued him――?!