女高生セックス（秘）日記

After a young man is separated from his friends in the woods, he falls into a ten-foot deep pit of spikes, impaling him through his leg and leaving him trapped. He quickly learns that his fall was not an accident.

Hiroko attends the memorial service of her fiancé, Itsuki Fujii, who died in a mountain-climbing incident. Although Itsuki's mother says that their old house is gone, Hiroko records the address listed under his name in his yearbook and sends him a letter. Surprisingly, she receives a reply, and discovers it came from his old classmate, a girl who also happens to be called Itsuki Fujii.

A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.

A 21-year-old girl is released from prison, only to deal with the neighborhood gossip about her and family conflicts. She decides to save one million yen, move to where no one knows her and keep repeating the process.