Mt. Soukai is in danger and Wataru is here to save it again. However, Ryujinmaru was broken into pieces during the fight with the mysterious enemy “Dobazudar”! Wataru fell into despair, but suddenly he heard Ryujinmaru’s voice. Ryujinmaru is still alive! Then Wataru sees a vision of Mt. Soukai being upside down. That place is called “Mt. Musokai”, “the dream of the dragon”. It’s located somewhere unknown. Knowing Ryujinmaru is in that world, Wataru is here again, on an adventure with Toraoh and Himiko.
