Girls' School Urban Legend: Black Swan

At the elite Royal Ballet Academy, wealthy Iris and scholarship student Nina are best friends—until jealousy drives Nina to push Iris down the stairs. Seeking the lead role, Nina summons the demon Zozo. Her dancing improves, but her body deteriorates as a demonic fetus grows inside her. Iris tries to save her, only to be branded insane. When Nina vomits black blood, the real horror begins.