MOND-198 My beloved sister-in-law, Akase Naoko

I'm staying at my brother's house because of work. My brother and I have different lifestyle rhythms, so we don't see each other much, but my brother's wife, Naoko, is very nice to me, so I was excited every day. That should be true, since I was delusional that I would be such a wonderful wife ever since my older brother introduced me to Naoko-san. One day, when my work schedule changed and I came home, Naoko was masturbating alone while watching erotic videos. I tried to leave quietly, but Naoko noticed me. When I fled to her room, Naoko came. I nodded when asked if she had seen it. I shake her head when I say that I despise her. And I was so nervous that I confessed that I liked Naoko. Then Naoko-san, will you keep the things you saw a while ago a secret? she asked. She nodded, of course, and instead of keeping it a secret, she quietly closed her eyes and brought her lips closer to mine...