Rule 34 Dev - 2019 animal_genitalia animal_penis artist_request blonde_hair blue_eyes breasts canid canine canine_penis canis domestic_dog duo faceless_male fellatio female female_on_feral feral hair hi_res human human_on_feral interspecies knot male mammal nipples oral oral_penetration panapana penetration penile penis penis_backwards sex solo_focus straight zoophilia|3641295152