rule 34 2016 anthro ass balls bat big balls bludermaus bludermaus character claws collar duo ear piercing erection eyewear fangs feet fur furry glasses green eyes grin heterochromia highres holding object huge balls hyper hyper balls indoors kneeling leash licking lips male mammal membranous wings mirror nude open mouth penis piercing purple eyes rat red eyes rodent smile teeth toes tongue tongue out vampire wings yaoi 2170461