You glanced at your phone at the messages you had gotten from Papyrus. He hadn't seen Sans in a while, so he had sent you to search for him. Which was why you were now wading through the puddles and tall grasses of Waterfall, until you noticed a familiar skeleton. He noticed you and looked over before you said anything. "oh, hey buddy." He gave you a lazy wave, his usual relaxed smile on his face. He motioned for you to sit with him at the edge of a large lake. "come sit."