The second installment in the suspense series about a high school girl caught up in a series of disappearances. Shizuka and her friends in a criminal psychology club obtain a suspicious video showing a high school girl being murdered.

The first in a suspense series about high school girls caught up in a series of disappearances. Five curious good friends encounter unexplainable events as they investigate a case that is causing a stir in the world.

The fourth in the series about a high school girl caught up in a series of disappearances. Aya makes a fake suicide video with a friend, and discovers that her image, which she has no recollection of, is being distributed on the Internet.

The third in the series about a high school girl who gets caught up in a series of disappearances. Mayuka, a member of the drama club, happens to come across a script with eerie contents. Immediately after that, she begins receiving a constant stream of silent phone calls...