Rule 34 Dev - ambiguous_gender anal anal_knotting anal_sex animal_genitalia animal_penis animated anthro ass canid canine canine_penis canis closed_eyes duo facial_tattoo genitals knot_fucking knotting lobo_(marcofox) male male/ambiguous male_penetrating mammal marcofox navel nipples penetration penis sex sheath short_playtime tattoo wolf|6537870560