rule 34 2023 against surface against wall animal genitalia anthro anthro on anthro balls bathroom bent over black penis blush bodily fluids bovid bovine brown body brown fur brown tail cattle collar color coded color coded speech bubble bell crossed arms dialogue ears back english text erection facial piercing fur genitals glans grey body grey fur grey tail hair hi res hooves humanoid genitalia humanoid penis imminent sex katai lagomorph larger male leporid levi katai looking back male malemale mammal medial ring nose piercing nose ring nude penis piercing pink penis pivoted ears purple hair rabbit ring piercing short hair signature size difference smaller male speech bubble standing sweat tail teeth text vein veiny penis 7510875