Rule 34 Dev - anal anal_penetration anthro balls duo erection genitals knot male male/male male_penetrated male_penetrating male_penetrating_male mostly_nude nude penetration penis sex fuf lwrottie canid canine canis domestic_dog mammal mastiff molosser rottweiler 3:2 brother_(lore) brothers_(lore) incest_(lore) sibling_(lore)|3508202915