rule 34 2021 ambiguous gender animal genitalia animal penis arched back black body black fur blurred background bodily fluids canine penis concrete detailed background digital media artwork dominant dominant male duo eeveelution espeon feral feral on feral flaccid forehead gem forked tail fur genital fluids genitals grass hand on ear jo artist looking at viewer lying male maleambiguous markings nintendo on front on ground one eye closed outside peeing peeing on another peeing on back penis penis tip pinned plant pokemon species pokemon purple body purple eyes quadruped red eyes scruff biting sheath signature standing on ears standing over umbreon urine urine marking urine on back urine on body urine pool urine puddle urine stain urine stream video games watersports wet wet body wet fur yellow markings 5034973