rule 34 after orgasm all fours anal anal sex anthro avian backsack balls bent over bird bodily fluids brown body cum cum drip cum in ass cum inside cum on balls cum strand cum string dripping duo ejaculation equid equine erection genital fluids genitals hi res looking at another looking at partner looking back looking pleasured male malemale male penetrated male penetrating male penetrating male mammal markings orgasm penetration penis perineum raised tail red penis simple background solo focus spots spotted markings statiik artist 6109309