AIKA returns with her husband to his family home to visit her father-in-law's grave, while her brother-in-law lives there alone. After witnessing the married couple having sex, the brother-in-law is angered that his brother finishes without satisfying her. The next day, he approaches AIKA as she naps and boasts that he can make her cum again and again. She resists at first, but relentless orgasms under his tireless body gradually overwhelm her.