Just licking her anus, not even glancing at her pussy! When I focus solely on her anus, running my tongue all over it, the girl shrieks, "Kyaa! Stop!" in surprise. Since the anus is out of her line of sight, she can't anticipate when the tongue will touch, making her heart race uncontrollably as the licking continues. This sensation creates an exhilarating thrill, like being touched somewhere completely unknown!