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 is sacrificed to a water dragon god! What plans are in store for her, and what will happen when she comes face to face with this god? A young boy named Subaru comes to Asahi's aid, but despite his help, Asahi must endure a test of survival! Will she be able to make it out alive or will she end up being sacrificed?