Shun Kitagawa

Two elementary schoolchilden Misaki and Hitomi had fallen into a coma. Ten years after, They awake. They have a memory that they had been attacked by Hikiko-san. By the way, there is a rumoor that Kuchisake-onna has been imprisoned in the hospital where they were hospitalized.

A woman is trying to find out what happened to her missing younger sister, when she discovers a sinister online bulletin board on mass suicide that leads her to a small isolated village where desperate teenagers gather to find death.