rule 34 anthro anus balls black body black fur bodily fluids cock tail conditional dnp domestic cat dripping felid feline felis fur genital fluids genitals gradient fur green anus green penis hi res knees together legs in air legs up luca slates1n lying male mammal on back pawpads paws penis penis between thighs precum precum drip precum string presenting presenting anus pupils slates1n slit pupils solo 5364239