A series of mysterious suicides begins to occur among the third-year students at Hijirigaoka High School. At the same time, Taketo, Hiromi, and Takehito start observing a sinister student who wears a sailor uniform.

Kodaira Reika, a third-year student, loses her title as the most beautiful girl at school to Kuroi Misa and turns to supernatural forces to permanently ruin her rival’s beauty.