rule 34 2023 abs animal genitalia animal penis anthro balls blush bodily fluids bovid bovine cattle cum cumshot detailed background ejaculation equine genitalia equine penis erection facial piercing genital fluids genitals hi res horn imprisoned kopyorh male male only mammal masturbation medial ring nose piercing nose ring nude penile penile masturbation penis piercing ring piercing shackled solo vein 7798700