Corpse Party(2015)

Corpse Party is a supernatural horror film following Naomi Nakashima and her classmates as they face an unimaginable curse. During their final school festival, class representative Ayumi Shinozaki performs a friendship ritual called Sachiko Ever After—a decision that tears the group into a nightmarish alternate dimension. They awaken at Heavenly Host Elementary School, a haunted institution shut down decades earlier after a series of brutal murders. Trapped within its cursed halls, Naomi and her friends must uncover the dark secrets binding them to this place while fighting for survival against vengeful spirits. As graduation night becomes a descent into terror, the students discover that escaping the school may be impossible—and that some bonds are sealed in blood.