FURVERT!

4:3 animal_genitalia animal_vulva anus bestiality bodily_fluids canid canine canine_genitalia canine_vulva canis collie cum cum_in_vagina cum_inside domestic_dog duo female feral feral_penetrated genital_fluids genitals herding_dog hi_res human human_on_feral human_penetrating human_penetrating_feral ian_copper interspecies kouhaku773 lassie lassie_(film)male male/female male_on_feral mammal nippon_animation on_top pastoral_dog penetration penile penile_penetration penis_in_vagina quadruped sex sheepdog size_difference smaller_penetrated vaginal vaginal_penetration vulva world_masterpiece_theater