Rule 34 Dev - 2020 abs anthro balls biceps blush bodily_fluids body_hair chest_hair frustrated frustration_cloud genitals greyscale hi_res lock looking_at_genitalia looking_at_penis male mammal monochrome muscular muscular_arms muscular_legs navel nipple_fetish nipple_piercing nipple_pinch nipple_play nipples pecs penis piercing pinch pubes simple_background solo sweat sweatdrop triceps ursid witherrose1|7801496208