FURVERT!

4:3 anal anal_fingering anatomically_correct anatomically_correct_genitalia animal_genitalia anthro anus australian_shepherd balls canid canine canis clothing domestic_dog fingering genitals hay herding_dog hi_res knot knot_in_sheath knotted_penis lying male mammal on_back pastoral_dog penis rikuroo sheath sheepdog sniffing sniffing_clothes solo unbreakable-warrior underwear underwear_sniffing