Class reunion, cheating and having sex until the end, 5 SW-539

When I went to my class reunion, I discovered that the classmate I used to have a crush on was now married. Having been a virgin for 28, I sat next to her, drunk, and was seduced by her exposed, lewd pose. I finally couldn't resist and slept with her. But surprisingly, she, who was unhappy with her husband, accepted me...