anthro armless balls big_butt bottomless buckteeth butt clothed clothing erect genitals hi_res huge_butt huge_hips huge_thighs kneeling lizard looking_at_viewer looking_back male monster_kid navel penis raised_clothing raised_shirt raised_topwear reptile scalie shirt smile solo sqoon teeth thick_thighs topwear undertale undertale_(series) video_games wide_hips yellow_body  anthro armless big_butt bottomless buckteeth butt clothed clothing female genitals hi_res huge_butt huge_hips huge_thighs kneeling lizard looking_at_viewer looking_back monster_kid navel pussy raised_clothing raised_shirt raised_topwear reptile scalie shirt smile solo sqoon teeth thick_thighs topwear undertale undertale_(series) video_games wide_hips yellow_body  absurd_res accessory arachnid armless arthropod black_hair black_sclera blush clothing comic cover cover_art cover_page doneru doujinshi dress duo fangs hair hair_accessory hair_bow hair_ribbon hi_res humanoid japanese_text monster monster_kid muffet 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