Rule 34 Dev - 2015 anthro balls biting_lip black_nose bottomless bovine breasts breath brown_hair cattle clothed clothing creating_art cum drawing eyewear fur glasses grey_background hair hand_on_penis horn intersex male_only mammal masturbation pen penis plump poweradepriest shirt simple_background sitting sketch smile solo sprocket_(sprocket) striped_shirt stylus sweat tablet tan_fur|2573195800