Rule 34 Dev - 1girl 2d 2d_(artwork) alphys anthro anthro_only ass back backside big_ass big_breasts blush blushing_female breasts buckteeth covering_breasts cyrosso deltarune dinosaur dinosaur_girl embarrassed female_anthro female_only furaffinity glasses line_art lineart lizard lizard_girl lizard_tail looking_at_viewer looking_back looking_back_at_viewer monochrome monster monster_girl naked_female non-mammal_breasts nude nude_anthro nude_female reptile reptile_girl reptile_tail scalie scalie_female solo_anthro solo_female surprised tail teeth third-party_source traditional_media_(artwork) undertale undertale_(series) video_games wet white_background|1031860