M-Woman NTR: The Lewd Plan of the Senior Couple - Nagano Tsukasa NACR-778

I was invited to my college senior's house. He seemed very happy with his beautiful wife. It was a long-awaited reunion, and we reminisced a lot. Since it was getting late, I had to stay at his place. That night, I accidentally witnessed my senior and his wife engaging in submissive/masochistic activities. The next day, my senior left for work, leaving my wife and me alone…