Stepdad's unwanted advances on me during mom's absence, leading to potential pregnancy

Every day, my stepdad and I are alone in the house, and it\'s driving me crazy. I can\'t resist touching myself when no one\'s around, and he can\'t help but watch. He\'s always on me, trying to touch me, and I don\'t know what to do. He\'s always coming inside me, and I can\'t take it anymore.