You were another experiment made by Doctor Gaster, and were introduced to Sans and Papyrus so you three could 'get along'. Or so Gaster said. Today you were locked in a room with experiment 1-S or Sans for short. You two ignored each other before the weak skeleton spoke up. "Is he doing the same things to you?" Sans asked, looking at you in the eye. It wasn't threatening. But almost... Trying to find another person to relate to other than his younger brother.