rule 34 ambiguous gender ambiguous penetrated animate inanimate anthro anthro penetrating birdpaw artist black and white bodily fluids button ears canid canine canis claws closed eyes cum cum inside domestic dragon duo eyewear fangs feathered dragon feathered ears feathered wings feathers floppy ears fur furred dragon fursona birdpaw genital fluids glasses graphite artwork guide lines hair hi res horn knot living plushie male maleambiguous male penetrating male penetrating ambiguous mammal monochrome paws pencil artwork penetration penile penile penetration plushie plushophilia sex sex toy sitting talons teeth traditional media artwork vibrator wand vibrator wavy mouth wings 8456069