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, Naoko, 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 Naoko. One day, my work schedule changed and I came home, and I found Naoko masturbating alone while watching an erotic video. I tried to leave quietly, but Naoko noticed me. When I ran into my room, Naoko came in. I nodded when she asked me if I had seen it. She said I despise you, didn't I? I shook my head. I was so nervous that I confessed that I liked Naoko. Then Naoko asked me if I would keep what I saw a secret. I nodded, and she said, "Of course," and in exchange for keeping it a secret, she closed her eyes and brought her lips close to me...