During a late-night seance, the students of Grade 12, Class 4 at Boseok Boys' High School stumble upon the unsettling possibility of a ghost inhabiting their classroom. Simultaneously, their homeroom teacher unexpectedly loses consciousnes…

A chilling, unearthly noise has crept into Ye-dam’s music demo. Meanwhile, Hyun-suk continues his investigations into the supernatural, and finds himself observing something peculiar about Asahi.

Asahi quieted the doubts his classmates held about him. Jung-hwan, filming a ghost-hunting vlog within their classroom, stirred Do-young’s unease. Meanwhile, Jae-hyuk acquired an anti-ghost talisman, which, to his surprise, seemed to have a…

Driven by a relentless need to please his online audience, Jung-hwan began staging elaborate hoaxes, crafting false paranormal occurrences and filming his classmates’ reactions. Unbeknownst to him, Jae-hyuk stumbled upon the true identity o…

Through the cryptic guidance of tarot cards, Yoshinori uncovers Haruto’s true nature. The fourth-grade class’s attempts at fright during the spring festival’s haunted house proved laughably unsuccessful. Determined to salvage the situation,…

Following the unsettling paranormal incident that swept through the school during the spring festival, Jeong-woo is now hospitalized. Within Class 4, suspicion takes root, and students begin to cast blame on one another. Do-young uncovers t…

In the classroom of Class 4, Haruto shared a story of sorrow with his classmates. Do-young, denied a recommendation from Mr. Ha, found himself consumed by resentment toward Haruto. The news struck Mr. Ha with a sudden, disbelieving shock, a…

Following his outburst at Haruto, Mr. Ha issued a stern warning, threatening repercussions for anyone who dared engage with the spirit. Meanwhile, Yoshinori’s grandmother organized an exorcism within the classroom, a test of Class 4’s burge…