In the dimly lit room, Rosa Vermelha Gp's 18-year-old virgin tentatively explores her sister's slick folds with her tongue. She's never tasted pussy before, but she's eager to learn, to please. Her tongue dances, tentatively at first, then with growing confidence as her sister's moans guide her. She feels the unfamiliar yet exhilarating sensation of her sister's juices coating her tongue, her chin, as she brings her closer and closer to the edge, until finally, she tastes the sweet nectar of her sister's first squirting orgasm.