FURVERT!

4:3 animal_genitalia animal_penis anthro balls blush brian_griffin canid canine canine_genitalia canine_penis canis domestic_dog duo erection family_guy female furniture genitals hi_res human human_on_anthro interspecies kneeling knot larger_female lois_griffin male male/female mammal on_model penis presenting sitting sitting_on_another size_difference smaller_male sofa xoti