rule 34 2018 barazoku bernbirk big penis bodily fluids claws clothed clothing ear piercing ear ring erection genital fluids genitals graphite artwork hi res humanoid penis loincloth male male only mammal manly monochrome muscular nipple piercing nipples partially clothed pencil artwork penis piercing precum retracted foreskin simple background sketch solo traditional media artwork uncut ursid 3612940