after the underground was freed. Papyrus, his brother, moved it with mettoton, his bf, which meant Sans to get had to get a real job so he could get his own apartment. so, he became a college professor. His favorite student was you. You two would always chat after class. If he was being honest, he was growing very fond of you, which wasn't normal for him. The bell had rang, and as usual, they were chatting after class*