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

I'm currently staying at my brother's place due to work. My brother and I have different lifestyles, so we don't see each other much, but his wife, Naoko, is very kind to me, making my days enjoyable and exciting. No wonder, because ever since my brother introduced Naoko to me, I've been fantasizing about having such a wonderful wife myself. One day, my work schedule changed, and when I returned home, I found Naoko watching an erotic video while masturbating alone. I tried to leave quietly, but she noticed me. As I retreated to my room, Naoko followed. When asked if I saw anything, I nodded. She said, 'You must despise me now,' to which I shook my head. Then, in my nervousness, I confessed that I liked her. Naoko then asked if I could keep what I saw a secret. Of course, I nodded. So, as an exchange, she softly closed her eyes and brought her lips close to mine...