FURVERT!

alex_dowski anal anthro anthro_on_anthro canid canine canis clenched_teeth collar dowski duo eyes_closed eyrich from_behind_position greyscale jockey_position kneeling lying male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal monochrome on_bottom on_front on_top open_mouth penetration prone_bone_position sex supki_(character)teeth wolf