His pupils disappear, and he has beads of sweat on his right side. In 'Promise', Sans demonstrates being tired of all this 'rap battle' thing, with his smile getting smaller, and putting his left hand in his pocket as well, losing the microphone which supposedly stopped working as seen in the cutscene. He holds a small microphone in his left hand, and keeps the right hand on the pocket of his jacket. He wears a white t-shirt, a blue and gray jacket, black shorts, gray socks, and cyan slippers (which is also the color of his icon).
Sans is a short, stocky skeleton, having white pupils, a triangular nose, and a constant smile. He serves as the opponent of On-Break, Layback, and Promise. Sans, and one of the main deuteragonists in Undertale.
