For my first time hiking as a hobby, I ventured into a certain mountain. I had planned to return the same day, but suddenly a thick fog rolled in, completely blocking my visibility. With conditions unfit for descending, I anxiously took shelter behind a rock, desperately waiting for the fog to clear. This mountain was an isolated area frequently reported for missing person incidents, where mobile phone signals didn't reach. By dawn, I had lost all sense of my location. Wandering aimlessly, I encountered a girl wearing a creepy mask. She helped me, leading me to a small village.