FURVERT!

1:1 2019 animal_genitalia animal_penis anthro anus arched_back backsack balls bambii_dog black_body black_fur brian_(rcxd74)butt canid canine canine_genitalia canine_penis canis collar erection fur genitals grey_body grey_fur hand_on_butt hi_res holding_butt knot leaning leaning_forward looking_at_viewer looking_back male mammal multi_nipple nipples pawpads penis perineum presenting presenting_anus presenting_hindquarters raised_tail rear_view red_pawpads red_penis simple_background solo spiked_collar spikes tail wolf yellow_eyes