FURVERT!

1:1 aaron_(artist)all_fours anal animal_genitalia animal_penis anthro balls bernard_(aaron)bernese_mountain_dog big_balls big_butt big_penis bite biting_lip black_body black_fur border bottomless brown_body brown_fur butt canid canine canis clothed clothing domestic_dog duo equid equine equine_genitalia equine_penis faceless_character faceless_male from_behind_position fur genitals hand_on_butt hi_res horse inside locker locker_room looking_at_another looking_at_partner looking_back looking_back_at_another looking_back_at_partner male male/male male_penetrated male_penetrating male_penetrating_male mammal molosser mountain_dog multicolored_body multicolored_fur partially_clothed penetration penis sex swiss_mountain_dog white_body white_border white_fur