In the blink of an eye, a modern-day girl named Asahi is whisked away from her warm and happy home and stranded in a strange and mysterious world where she meets a water dragon god!

Asahi continues to fight against the god of darkness and his minions, and the water dragon god lends her the totality of his power. Unfortunately, the battle greatly weakens the water dragon god to the point where his very existence is threatened! Can Asahi do anything to save him?