gwechul

괴담에 떨어져도 출근을 해야 하는구나 (Lit: Even if you fell into a ghost story, you still have to go to work), often abbreviated as 괴담출근 / GDCG or 괴출 / Gwechul, is a Korean fiction webnovel by DS.Back that tells the story of Kim Soleum who must enter various Ghost Stories in order to return to his world. It has horror elements and is rated 15+.