Rule 34 Dev - animal_genitalia animal_penis animated anthro balls barbatosxiii becoming_erect canid canine canine_genitalia canine_penis canis closed_eyes erection fur genitals hi_res holding_object holding_pillow knot line_art male male_only mammal monochrome morning_wood nude penis pillow sleeping smile solo tail throbbing throbbing_penis unsheathing wolf|13587848256