anus balls big_balls big_butt black_anus black_balls black_perineum bodily_fluids butt equine_anus equine_balls equine_genitalia feral genitals grin group hooves hyper hyper_anus looking_at_viewer male mane musk musk_clouds perineum presenting presenting_anus puffy_anus raised_tail saggy_balls smile smiling_at_viewer stable_diffusion sweat sweating_profusely sweaty_balls sweaty_butt sweaty_genitalia trio two_tone_anus equid equine horse mammal hi_res