rule 34 2021 accessory anal anal sex anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro balls black border blush bodily fluids border bovid bovine cattle cock ring comic dialogue duo english text erection genital fluids genitals hi res horn humanoid genitalia humanoid penis jewelry joaobear jules joaobear larger male male malemale male penetrated male penetrating male penetrating male mammal maximus smartydragon mouse murid murine muscular muscular male nipples pecs penetration penile penile penetration penis penis accessory penis jewelry precum rodent size difference smaller male smaller on top smaller penetrated smile speech bubble tail grab text 6461470