Napchihakgyo summary: Upon waking up, a group of bewildered individuals discover that they are stranded in a desolate, unfamiliar school and unable to recollect how they arrived there. The eerie atmosphere and menacing creatures that haunt the grounds point to an ominous conclusion - they have been abducted against their will, imprisoned with no hope of escape. With 13 people already fallen victim to their captors, it remains a mystery why they were targeted. The burning question that consumes them all is: which of them will make it out of this encounter alive?