Rule 34 Dev - 2018 2boys 2d artist_request blue_blush detached_legs error_sans_(fan_character) errortale eyes_closed humanoid ink_sans_(fan_character) male male_only rainbow_blush rainbow_tongue sans sanscest selfcest sex shirt skeletons socks sweating tagme tagme_(artist) undertale_(series) undertale_fanfiction|3131601056