Corpse Party (コープスパーティー, Kōpusu Pātī) is a 2015 Japanese horror film directed by Masafumi Yamada and starring Ikoma Rina, Ikeoka Ryōsuke, and Maeda Nozomi.

Facing graduation, Naomi Nakashima, her childhood friend Satoshi Mochida, and their classmates; Seiko Shinohara, Yoshiki Kishinuma, Sakutaro Morishige, and Mayu Suzumoto are clearing up after their last cultural festival, when class representative Ayumi Shinozaki decides to perform a charm called "Sachiko Ever After" using paper slips so they will all stay friends forever.

They read newspaper articles detailing a killer of two children, Yuki, Ryou, and a third, a girl in a red dress, Sachiko, gone missing.

Ayumi and Yoshiki witness Yuki and Ryou's ghosts killing Mayu, and Naomi finds Seiko hanged.

The video was recorded by famous spiritualist Kou Kibiki, showing him and his assistant exploring the school before facing their demise at the hands of the spirits.

In the video, Kou explains that to return home, the school's curse must be lifted and they need their original paper slips.