A married woman named Rio, living together with her husband and father-in-law! She believed that their happy life would continue but was suddenly attacked by her lustful father-in-law, who couldn't control his desires for her voluptuous body. He forced himself inside her without mercy... It wasn't supposed to end there; instead, he continued using her as his personal outlet for sexual release day after day. At first, she resisted while experiencing intense pleasure due to his skilled techniques, but eventually, she succumbed to becoming a submissive slut, begging for more of his cock as she eagerly rode him to climax after climax...
