rule 34 2020 abs anthro bodily fluids bovid bovine brown body brown fur cattle clothed clothing dumbbell erection exercise facial scar fur genital fluids genitals grin gyumao hair hi res holding penis horn horn markings humanoid genitalia humanoid penis japanese text kurosuke0755 looking at viewer male male only mammal muscular muscular anthro muscular male nipples pants down partially clothed pecs penis precum red eyes red hair scar shaking penis simple background smile solo sweat text tokyo afterschool summoners vein veiny muscles veiny penis video games weightlifting weights workout 4004081