FURVERT!

4_toes anal anal_penetration anthro canid canine claws digitigrade duo erection eyes_closed feet fox genitals greyscale hindpaw knot luther_denholme lying male male/male male_penetrated male_penetrating male_penetrating_male mammal mikhail_(rukis)monochrome nude on_back open_mouth pawpads paws penetration penis prodding rukis sex shallow_penetration tail toes