FURVERT!

1:1 2d_animation anal anal_penetration animal_genitalia animal_penis animated animated_gif backsash black_and_white canid canine canine_genitalia canine_penis canis digitigrade dildo domestic_dog erection feral genitals hair knot knotted_penis low_res male mammal monochrome open_mouth penetration penis quadruped sex_toy short_playtime simple_background solo tail white_background