FURVERT!

2013 anal anal_penetration animal_genitalia anthro anthro_on_anthro blue_hair blue_markings brown_body brown_fur canid canine canis chancewolf duo erection from_behind_position frost_(frostwolf)fully_sheathed fur genitals grey_body grey_fur hair hybrid lying male male/male male_penetrated male_penetrating male_penetrating_male mammal markings nude on_front penetration penis penis_tip rarakie sex sheath sheathed_while_penetrated tail wolf wolfdog