Rule 34 Dev - 1boy 2017 2d 3_toes 4_fingers animal_ears anthro anthro_male anthro_only anthrofied anus asgore_dreemurr ass backsack balls bara barazoku blonde_hair boss_monster butt butt_grab caprine dagapuff dat_ass dilf facial_hair father feet furry furry_male furry_only goat hair hand_on_ass horn horns humanoid humanoid_feet humanoid_hands humanoid_male humanoid_only humanoid_penis king male male_only mammal mammal_humanoid parent penis perineum presenting presenting_anus presenting_hindquarters solo spreading tail testicles thick thick_thighs undertale undertale_(series) video_games white_balls wide_hips|2636667648