Maki Onda is being bullied in class, but she doesn't know who is bullying her. She spends every night typing her classmates' names into the Hotline to Hell engine, but always erases it. Her science teacher Eiko Kamishiro tries to help her, but Onda always refuses. Eventually, she finds out through one of her classmates, Nakase, that Kamishiro is the one who has been bullying her and sends her to Hell. Onda has a new friend in Nakase, and as they are working after school on a project, Onda discovers that Nakase had helped Kamishiro bully her at least once.