anal anal_penetration animal_genitalia animal_penis anus balls bestiality big_penis blush bottomwear canine_genitalia canine_penis clothed clothing collar duo erection feral feral_penetrated genitals human_on_feral human_penetrating human_penetrating_feral humanoid_genitalia humanoid_penis interspecies knot looking_at_viewer lying male male/male on_ground on_side open_bottomwear open_clothing open_mouth open_pants pants penetration penis raised_leg sex shocked stone_floor stretched_anus thick_penis tongue trash_can wide_eyed window_light unknown_director canid canine canis domestic_dog german_shepherd herding_dog human mammal pastoral_dog attempted_signature hi_res