Nagisa Isogai

Makoto is a student at an art university. She was once captivated by her art class teacher, Ira when she was just 12 years old. Ira vanishes from the scene and, not until six years later, appears before Makoto at an art exhibition. Surprisingly, she looks the same as Makoto remembered and has a secret to hide. Although still human, Ira seems to have a thirst for blood.

Saori, a school girl, is molested on the notorious "molester train" of the Hanagawa line and rescued by another school girl who witnesses the act. The girl who rescues her turned out to be a new student of the same high school Saori attends. The mysterious new student Yuriko is rumoured to be a "parent killer". Yuriko then leads Saori and her friends to hunt molesters.

Heavily pregnant Hatsumi and her sister Chika visit a shrine to pray for a safe birth, but in a tragic turn of events, Hatsumi tumbles down the stairs and loses the baby. 6 months later, Chika's baby is safely born and when Hatsumi visits Chika she find out that Chika named her daughter Aoi, which happened to be the name Hatsumi chose for her own baby...