A couple just moved into the apartment across from mine. The wife is so beautiful, ever since I saw her, her image has always appeared in my mind. And since then I have always peeped at her through the window as a habit. And one time she changed clothes, I admired her entire perfect body, enjoying herself when suddenly she met my eyes. Confused and not knowing what to do, she waved for me to come over to her house. Thinking she would get angry and call the police, I quickly apologized and promised to do whatever she asked. It seemed like she was waiting for just that, then she made a request that I thought I was dreaming! “Let's practice making love with me, okay?”. It seems like Konomi-san's husband isn't too interested in sex, no matter how much she seduces him. So Konomi-san wanted to practice horse riding with me to help her bring more pleasure to her husband. And from then on we continuously had sex with each other under the pretext of "practice", she had sex with me more than with her husband. She even agreed to come to my house to have sex even though her husband was standing right on the other side of the window...