Since Ryuu was a kid, he was always abused for having a tail and a small wings like a dragon. When Ryuu grow up his wings and tail starts to get bigger and his power of using fire was the one shocked him, he knew he was different. He can transform as a dragon then as a human. When he finally found out about the dragon forest, he decided to stay there and live there. Not until a boy got lost in the forest where Ryuu was.