In Tokyo, a serial killer is murdering women and posting his violent crimes on-line. In Jakarta, a rogue vigilante uploads his murdering spree for the world to see. A psychotic game of cat and mouse ensues as the two men battle for notoriety. Soon it becomes clear that it's only a matter of time until the two killers square off face to face. Written by Anonymous

Tetsuo Togami (Shono Hayama) is in the 2nd grade of high school. Due to a fight, he is hospitalised. There, he meets Maiko Takashiro (Chika Arakawa). 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 everyday. They promise to go out together on Maiko's birthday, but her condition worsens.