在一个与都会遥远的小镇，卓（interpreted by 山崎贤人）过着枯燥无比的生活。 sudden, he and his friend Hajime (portrayed by 森田直幸) are laughing on the school rooftop when a TV broadcasts the latest decree from the mysterious King. The king, wearing a wig of white hair, announces the start of the "Real Demonic Game" to all high school students, targeting B-blood types for elimination. As soon as the words leave his lips, the school is sealed off by unknown figures, and a group of masked, black-clad demons invade, launching an hour-long slaughter of B-blood students. Plunged into this trapped nightmare, platoon 卓, along with his old friend Kiyoshi (played by 岸田タツヤ) and low-grade student Rin (portrayed by 山谷花纯), must use every resource to escape this isolated hell... This film is adapted from the original work of Yutaka Ma Tanabe.
