FURVERT!

4:3 anal anal_knotting anal_penetration animal_genitalia animal_penis balls black_balls black_body black_fur black_sheath brown_body brown_fur brown_markings canid canine_genitalia canine_penis duo erection eyes_closed feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral fimur fully_sheathed fur genitals grass hi_res intraspecies knot_hanging knotting male male/male male_penetrated male_penetrating male_penetrating_male mammal markings outside penetration penile penile_penetration penis penis_in_ass penis_tip plant precum_on_own_penis red_penis red_tongue sex sheath sheathed_while_penetrated side_view tongue tongue_out unbreakable-warrior white_balls white_body white_fur white_sheath