genre: teen horror.
The film opens on a rainy night at Kisaragi Academy. Facing goodbyes and graduation, Naomi, her childhood friend Satoshi, and their classmates; Seiko, Yoshiki, Sakutaro, and Mayu are clearing up after their last cultural festival, when class representative Ayumi decides to perform a charm called "Sachiko Ever After" so they will all stay friends forever. Their teacher, Yui, comes in with Satoshi's younger sister Yuka, and everyone performs the ritual together but are swallowed away to a different dimension right after. They find themselves in a haunted graduation ceremony for Tenjin Elementary School, forced to close years ago after a series of gruesome murders.
