FURVERT!

2:3 anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro balls barbell_piercing big_balls big_penis biped butt butt_grab circular_barbell_piercing comic comic_panel ear_piercing equid equine equine_balls equine_genitalia equine_penis erection facial_piercing forced genitals group hand_on_butt hi_res horse hot_dogging humanoid humanoid_on_anthro larger_anthro larger_male male male/male male_anthro male_humanoid mammal medial_ring nose_piercing nude penis piercing questionable_consent rape selezneva septum_circular_barbell septum_piercing sex size_difference smaller_humanoid smaller_male transformation transformation_through_sex trio undressing_another vein veiny_penis