Welcome to the classes of horror! I will be your guide to a world that lurks under everyday life. For these lessons, you don't need text books or notebooks.If you're prepared for the worst...

Moa Son, an ordinary office worker, wakes up in a dungeon in the middle of the night and awakens as a collecting hunter. After barely making it out alive, she falls into the same dungeon but gets rescued by the first-ranked hunter, Jihan Seo, and becomes