The series stars Kana Asumi as Asuka and Takuya Eguchi as Takahiro.
The Red Person hunts students who are alone at school to kill them, and until they exit the school gates, the Red Person will keep appearing before them.
The app is aimed at people who do not have time to watch television or do not own a television.
The novel centers on Asuka, a high school student who sees the apparition of a dead student named Haruka, asking Asuka to find her body.