Rule 34 Dev - 1boy 2019 4_toes 5_fingers animal_genitalia animal_penis anthro anthro_only bara black_hair black_nipples canine canine_humanoid canine_penis claws fur furry furry_ears furry_only furry_tail fursona green_eyes grey_background male male_only mrkatman muscles muscular muscular_male nipples purple_fur smile wolf wolf_ears wolf_tail|3920348216