FURVERT!

2018 all_fours anatomically_correct anatomically_correct_anus animal_genitalia animal_penis anthro anus ball_tuft balls butt butt_focus canid canine canine_genitalia canine_penis digital_media_(artwork)drangus_(artist)erection genitals hi_res knot male mammal monochrome pawpads paws penis perineum presenting raised_tail rear_view solo tail tuft