rule 34 2020 after masturbation animal genitalia anthro avian beak bird bodily fluids brown body brown feathers cum cum on chest cum on hand cum on penis cum on self digital media artwork ejaculation erection feathers genital fluids genital slit genitals hi res humanoid hands inside male male only masturbation nude orgasm penile penile masturbation penis quival raining red body red eyes red feathers slit smile solo window window sill 3802244