Tales of terror spreading throughout Jaanese high school girls...are real! While singing karaoke with friends, Ai found a strange silent girl in the room. The legendary female ghost of Ohatsutenjin would suck the energy of young males at night. Ai's boy student looked pale recently but he was not sick. Ai's friend Nana went home one day and found another "Nana" at home. May's classmate Shiiko was missing class strangely. While May was puzzling, images of Shiiko was coming out from the copy machine. Ai was told by an old villager the legend of Tengu, or Sky Dog. Walking through the village, she met....Ai's teacher Mr. Hoshita had a music box with a beautiful sound. When it was listened carefully, it sounded like a man's voice...