What's a girl to do when her roommate is a serial killer? In a gloomy town, where three girls have gone missing, high school girl Shizue witnesses an attack on a fellow classmate. The assailant appears to be none other than fellow student Endo Yasuko, a striking beauty who declares to Shizue that she is starving and only Shizue can sate her hunger! Is Endo Yasuko a vampire, a serial killer, or just plain weird? And what does she really want from Shizue?