Rule 34 Dev - 1:1 1:1_aspect_ratio 2010s 2016 animated_skeleton biting_clothes biting_shirt blue_blush blue_eye blush bottom_sans clothed glowing glowing_eye hooded_jacket hoodie jacket korean_text looking_at_viewer monster off_shoulder peng2_(artist) peng2_undertale_(artist) sans sans_(undertale) sitting skeleton soul submissive text uke_sans undead undertale undertale_(series) yellow_eye|1023550