FURVERT!

2003 3:2 anal anal_penetration anatomically_correct_feral anus backsack balls barely_visible_genitalia barely_visible_penis brown_body brown_fur canid canine canis countershade_face countershade_tail countershade_torso countershading ebon_lupus erection feral feral_on_feral fur genitals grey_body grey_fur group group_sex intraspecies male male/male male_penetrated male_penetrating male_penetrating_male mammal nude penetration penis photorealism raised_tail realistic realistic_feral sandwich_position sex side_view simple_background tail tail_anus tan_body tan_fur threesome train_position trio wolf wolf_pack yellow_eyes