Rule 34 Dev - 2010s 2016 2boys 2d 2d_(artwork) 2males ahoge animated_skeleton artist_request blue_blush blue_penis blush bottom_sans crying digital_media_(artwork) ectopenis english_text gay genitals hair hair_over_one_eye handjob hooded_jacket hoodie hugging_pillow humanoid humanoid_robot jacket male male/male male_only mettasans mettaton mettaton_ex monster partially_colored penis pink_blush robot robot_boy robot_humanoid sans sans_(undertale) skeleton sketch sweat tears text trembling uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi|1022527