Hirasaka Hatsune

A spider youkai (jorougumo) who has lived for many hundreds of years. After being gravely wounded by a priest named Shirogane, Hatsune goes into hiding for one month. After that, she decides to go to Yaesaka High in search of prey to heal her wounds. By consuming the body of her victims, or having sex with them, she can obtain life energy and conserve power.