Rule 34 Dev - 1boy 2019 animal_genitalia animal_penis anthro ass balls bed black_nose canid canine canine_penis canis claws detailed_background domestic_dog erection eyebrows fluffy fur german_shepherd grey_fur inner_ear_fluff knot looking_at_viewer lying male male_only mammal multicolored_fur muscular muscular_male my_sight_grows_dim nude on_bed pawpads paws penis presenting presenting_hindquarters riley silvixen solo two_tone_fur yellow_eyes yellow_fur|3523211872