Ayane, Nanami, and Mayuko are members of a new 3-member idol group called “Jersey Girl”. One day they’re invited to appear on a television show about the paranormal where they’ll visit an abandoned nursing home in the mountains to see which one of them is the bravest and document their experiences. However, as soon as the girls arrive, they begin to have strange paranormal experiences. Before long, they begin to turn on each other as the stress of the situation overtakes them.

Friends grow apart after a tragic accident claims one of their number. Years later, the dead girl appears to them to ask for their help in crossing over to the afterlife.

Six young women, including Katsuki Takahashi, hold a high school reunion, but their high school has been shut down. The women are happy to see each other again. Suddenly, a shot rings out and one person dies. They receive a text message from Natumi Shirakawa who died 7 years ago. The text message asks "who is the criminal?" To figure out the identity of the perpetrator they look back at what happened 7 years ago.

Set in the near future of Japan with the educational system nearing collapse. To rehabilitate the lawlessness at public schools and its troubled students, the government sends Kamen Teacher to designated schools.