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I'm staying at my brother's house because of work. My sister-in-law, Reiko-san, is very nice to me. One day my work schedule changed and when I came home, Reiko was masturbating while watching erotic videos. I tried to leave quietly, but Reiko noticed me. When I escaped to my room, Reiko came. I nodded when asked if I had seen it. I was told that I despise you, and I shook my head. And I was so nervous that I confessed that I like Reiko...