Bizarre water starts attacking people. Miki, a fan of paranormal phenomenon, stands up to find out what's going on. Victims have one thing in common; try to catch Hekiru. While Miki protects her, the water attacks Reiko. Without Reiko's help, Miki and Hekiru get isolated. In the 11th hour Hekiru transforms into a monster. A man in black is watching Hekiru, now a monster, from a distance. The Self Defense Force attacks Hekiru.

A high school student, Miki, loves paranormal phenomenon. She hears a strange rumor about a small shrine. A phantom appears everytime someone tries to destroy it. Getting an archaeologist, Reiko Kaguya, involved, Miki starts investigating it. In the midst of it comes a unisex girl named Hekiru out of nowhere. As Miki digs deeper, she witnesses the unbelievable. A national treasure 'the Sacred Mirror of Prince' was stolen. Reiko and Miki dare to investigate it to retrieve.