I work at a real estate agency. One day, I introduced a rental apartment to a couple who came with their mother-in-law. Mrs. Chikako was beautiful, and I was excited. Then, under the pressure of the pushy mother-in-law, they decided to live in that apartment, which was actually the room across from my house. If I peeked through the window, I could see everything. Since such a beautiful married woman moved in, I looked forward to peeking every day... A few days later, an incident brought me and Mrs. Chikako close...