I'm staying at my brother's house because of work. My brother and I have different lifestyles, so we don't see each other much, but my brother's wife, Iori, is very nice to me, so I'm excited and happy every day. That's because I've been fantasizing about having such a wonderful wife ever since my brother introduced me to Iori. One day, my work schedule changed and I came home to find Iori masturbating alone while watching an erotic video. I tried to leave quietly, but Iori noticed me. I ran into my room, and Iori came in. I nodded when she asked me if I'd seen it. She said I'd despise it, didn't I? I shook my head. I was so nervous that I confessed that I liked Naoko. Then Iori asked me if I'd kept what I'd seen a secret. I nodded, of course, and in exchange for keeping it a secret, she closed her eyes and brought her lips closer to me...