“doing sex couple” closes the series with a petite girl-next-door in cozy fairy lights. Wearing only an oversized sweater, “doing sex couple” shows her slowly lifting the hem to reveal she’s bare underneath. On all fours facing the camera, “doing sex couple” watches her reach back with a jeweled plug already in place, then add a thrusting dildo. The contrast of sweet face and filthy actions in “doing sex couple” builds to an explosive finish where she collapses giggling, utterly satisfied and glowing.