Rule 34 Dev - all_fours anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro anus balls butt clenched_teeth doggystyle duo erection from_behind_position genitals imminent_knotting knot male male/male male_penetrated male_penetrating male_penetrating_male pawpads penetration penis perineum raised_tail sex simple_background tail teeth tongue tongue_out incorgnito curatrix rowan_shep canid canine canis domestic_dog german_shepherd herding_dog mammal pastoral_dog 2019|10368513680