The head in the pool emphasized the concept of an "idealistic world," which was a somewhat abrupt piece of information. The only content that had an obvious connection to this was something that seemed unrelated earlier—the note that mentioned the "heart-stealing monster" appearing outside the house at night.
Yu Liang also noticed that when they arrived at the village, the sky was overcast, but it was clearly daytime. However, as soon as they entered the paper house, night fell swiftly—a setting that was obviously deliberate.
After the players entered the house, they quickly found themselves in the dark of night, and heart-stealing monsters appeared on the streets. It was then that the players would discover the note about the "heart-stealing monsters in the night."
