Rule 34 Dev - 2020 abs anthro anthro_on_anthro artist_name ass black_nipples blush canid canine canis causticcrayon choker domestic_dog duo gay genitals glans hands_behind_back inside jewelry male male_only mammal monotone_tail muscular muscular_male neck_grab necklace nipples open_mouth partially_retracted_foreskin penis pink_choker smooth_penis tongue uncut vein yaoi|4135760408