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abs anthro balls barazoku black_hair bodily_fluids collar cuff_(restraint)erection facial_piercing foreskin forgetch front_view genitals hair hi_res humanoid_genitalia humanoid_penis hyena jewelry len_ozora lip_piercing lip_ring male mammal muscular muscular_male navel necklace nude pecs penile_spines penis piercing restraints retracted_foreskin ring_piercing signature solo standing sweat tattoo yellow_penis