rule 34 2022 anthro anthro only balls biped black background blade bodily fluids claws creutzfeldt cybernetics cyborg digital media artwork erection finger claws foreskin fur genital fluids genitals glans hand under chin hi res humanoid genitalia humanoid penis hybrid machine male navel penis pentarch precum reclining red glans robot simple background solo tail blade toe claws weapon tail white balls white body white fur 7009217