Rule 34 Dev - 2018 absurdres anus asriel_dreemurr ass backsack boss_monster bottomless bovid butt_shot caprine carpetwurm close-up clothed clothing cub dialogue disembodied_limb duo english_text furry genitals highres male male_focus mammal partially_clothed perineum presenting presenting_anus presenting_hindquarters raised_tail shota signature simple_background solo_focus spread_anus spread_butt spreading testicles text undertale video_game white_balls younger|2280440683