5_toes anthro anus balls bareback beach_background black_body bodily_fluids bubble_butt butt clothing eyewear feet flaccid foot_fetish foreskin genital_fluids genitals humanoid_feet humanoid_genitalia humanoid_penis looking_at_viewer lying_down male muscular penis sand sea smile solo sunglasses toes towel underwear water white_body knox_synth cetacean delphinoid mammal marine oceanic_dolphin orca toothed_whale tail hi_res