All of Us Are Dead (2022)

All of Us Are Dead depicts a harrowing fight for survival as a high school becomes an isolated fortress against a relentless zombie apocalypse. The plot unfolds when a virulent zombie virus suddenly sweeps through the area, trapping a group of ordinary high school students inside their school building. What begins as a typical school day quickly descends into an extreme crisis situation, forcing these students to face unimaginable horrors. As the zombie outbreak spreads like wildfire, turning their classmates and teachers into monstrous threats, they must band together. With all escape routes blocked and external help seemingly impossible, they are pushed to their limits, making desperate choices and fighting for every breath amidst the chaos. This intense survival thriller is a gripping adaptation of the popular Korean webtoon, "Now at Our School."