I'm staying at my brother's house due to work. - My brother and I have different lifestyles, so we don't see each other much, but he treats my brother's wife, Kasumi, very well, so I was happy and excited every day. - That's no wonder, since ever since my older brother introduced me to Kasumi, I've been fantasizing about finding such a wonderful wife. - One day, my work schedule changed and when I came home, I found Kasumi masturbating alone while watching an erotic video. - I tried to leave quietly, but Kasumi noticed me. - When I ran into my room, Kasumi-san came over. - I nodded when asked if I had seen it. - When I was told that I looked down on him, I shook my head. - And I was so nervous that I confessed to Kasumi that I liked her. - Then, Kasumi-san, will you keep what you saw a secret? - I heard that. - I nodded, saying of course, and then, in exchange for keeping it a secret, he gently closed his eyes and brought his lips closer to mine...