44th period survival class

Synopsis

In a world plagued by mysterious "Black Circles" that consume everything they touch, high school student Do-yoon's ordinary life is shattered when one appears at his school. The ominous void expands, swallowing the entire building and trapping Do-yoon and his classmates inside a nightmarish, twisted maze. This is no ordinary school anymore; it's a battleground where survival hinges on more than just grades. As they navigate the ever-shifting corridors and face monstrous entities lurking in the shadows, alliances will be forged and broken. Will Do-yoon and his friends uncover the secrets of the Black Circle and escape its grasp, or will they become another forgotten casualty in this terrifying new reality?