Yuki Ogushi

Tetsuo Togami is in the 2nd grade of high school. Due to a fight, he is hospitalized. There, he meets Maiko Takashiro. She has an incurable disease. She also has a hearing disability and is unable to talk. At first, Tetsuo becomes embarrassed but begins exchanging text messages with Maiko. Through the text messages, he begins having feelings for her. Even after his discharge from the hospital, he goes to visit Maiko every day. They promise to go out together on Maiko's birthday, but her condition worsens.

A woman wielding a knife breaks into a production company that specializes in making paranormal documentaries. After injuring one of the employees, she reveals that her purpose is to “save humanity”. Apparently, she has become a true believer in a conspiracy theory claiming that humanity will be wiped out unless a certain videotape is returned to the right place...