FURVERT!

anal anal_penetration animal_genitalia anus ass_up balls bestiality butt canid canine censored digitigrade duo erection feral feral_penetrated fully_sheathed genitals human human_on_feral human_penetrating human_penetrating_feral interspecies isaki japanese_text larger_male male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male mammal multiple_positions penetration penis penis_tip quadruped sex sheath sheathed_while_penetrated size_difference smaller_male smaller_penetrated tail tapering_penis text