Swallow

After years of torment, Mildred, a meek high school student, is determined to seek revenge against her bullying classmates. She intends to curse them with them dark magic, punishing them for their cruelty - but in the process Mildred accidentally opens herself up to a terrifying demonic possession. And the demon inside her is seemingly only too happy to fulfill Mildred's vengeful desires. Bodies start turning up with parts missing, eaten as though mauled by a wild animal...or perhaps somethin...