rule 34 2023 4 fingers acrystra anthro artist name bat breasts cheek tuft claws detailed background digital media artwork ear piercing ear ring erect nipples under clothes eyebrows eyelashes facial tuft fangs female finger claws fingers fur genitals hair holding object long hair looking at viewer mammal membrane anatomy membranous wings narrowed eyes navel nipples nude pencil object piercing pink nipples purple body purple fur purple hair pussy red eyes rin tyan ring piercing sitting smile smiling at viewer solo teeth tuft wings 8057413