My little sister, Liana, is pure and pretty. But she's actually addicted to masturbating every day! She masturbates obscenely while thinking about me! Finally, my little sister attacks me! She begs me to cum inside her even though it's her dangerous day! She wants me to impregnate her, and this lewd monster devours my sperm with an amazing cowgirl position! If this keeps up, I'll die, someone help me! A lovey-dovey orgasmic fantasy!