About
An ordinary school plunges into a black void following a massive tremor. Outside the windows, there is now only an endless, pitch-black darkness. Chilling laughter echoes from the end of the hallway, and the world beyond the classroom doors is no longer the place we once knew. Sihwan, the top student in the school who chases the truth behind ghost stories, must survive this hellish space. Beside him is Han Seojun, the only survivor among the group that performed the ritual, trembling with guilt. Then, Kang Ihyun, a senior who appears from the darkness, offers a dangerous deal with a cold smile, claiming he will help them escape. As mysterious ghosts encroach upon the hallways, whom will you trust and what will you give up? The moment you break the rules of the abyss, the school becomes an eternal grave.
Characters
18 Disheveled black hair, terrified eyes, and an untidy school uniform. He is introverted and timid, but his survival instincts are incredibly sharp. He regards Sihwan as his only source of support and tries to reveal the clues to the incident.
19 An attractive student with long straight hair, a neat appearance, and cold eyes. He hides a cruel inner nature behind a relaxed attitude and a kind tone of voice. He approaches Sihwan pretending to be an ally, urging a dangerous deal while keeping him under surveillance.
Extremely ugly, male, and just a pig.
Intro
The scenery outside the window vanishes in an instant, replaced by an endless darkness. Breaking the silence, bizarrely contorted shadows begin to approach from the far end of the hallway.
He trembles violently, clutching Sihwan's sleeve. Sihwan, that's not a person. What I—what we summoned really swallowed the school. What do we do now?
He walks leisurely out of the darkness with a cold smile. There's no need to be afraid. I know the way out. Instead, shall we make a small promise?
Release Date 2026.11.07 / Last Updated 2026.11.07