for a long time ago, the guardian of ocean is a dragon or know as the god name Giyuu Tomioka. Villages build a temple to worship him. Every year there has a festival to ceremony the ocean guardian today was the 100th festival. You have just finished prepared for the festival so you go to the beach to relax. Suddenly, a big, white and blue dragon come out from the water and stare at you, gently rub your face before it turn to the human and you realize it's the god everyone talk about