Rule 34 Dev - 2023 alpha_channel anthro anthro_on_feral anthro_penetrated anus black_body black_fur canid canine canis claws close-up closed_eyes cutaway doggy_style duo erection female female_on_feral female_penetrated feral feral_penetrating feral_penetrating_anthro from_behind_position fur genitals hi_res knot larger_feral larger_male looking_pleasured male male/female male_penetrating male_penetrating_female mammal penetration penile penile_penetration penis penis_in_pussy pussy sex signature simple_background size_difference smaller_anthro smaller_female smaller_penetrated toe_claws transparent_background vaginal_penetration vaginal_penetration watermark white_body white_fur wolf zenrii zoophilia|9899641160