FURVERT!

2014 3:4 almost_fully_inside animal_genitalia animal_penis anthro anus athletic athletic_intersex athletic_maleherm backsack ball_gag balls blue_anus blue_insides blue_nose blue_pawpads blue_penis blue_tongue blue_vulva bodily_fluids butt canid canine canine_genitalia canine_penis canis cum dildo domestic_dog duo erection extreme_size_difference eyes_closed fox fur gag genital_fluids genitals german_shepherd hair herding_dog hi_res internal internal_vaginal intersex intersex/male kneeling knot larger_anthro larger_intersex larger_maleherm larger_pred looking_back male maleherm maleherm/male mammal masturbation micro navel nipples nude open_mouth pastoral_dog pawpads penile penile_masturbation penis sex_toy size_difference smaller_anthro smaller_male spread_butt spreading teeth themutt tongue tongue_out unbirthing vaginal vaginal_fluids vore vulva