Rule 34 Dev - abs animal_genitalia animal_penis anthro apple-faced balls beard big_balls big_penis black_body black_fur chair dialogue equid equine equine_penis erection facial_hair feathering fetlocks fur furniture genitals grey_hair hair hi_res hooves horse inside long_hair looking_at_viewer male mammal medial_ring muscular muscular_anthro muscular_male penis presenting presenting_penis seductive sitting solo speech_bubble|6763538728