FURVERT!

abs anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro balls biped blush canid canine canis domestic_dog duo genitals humanoid_genitalia humanoid_penis kemonahi larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_male nipples pecs penetration penis scar sex size_difference smaller_male