It's Only For You... Saran Ito

After getting married and some time passing, I realized I was becoming somewhat ED, but I continued living happily with my wife as before. Then one day, I invited a senior from work to my home. When I introduced him, my wife had a subtle expression, but I didn't think much of it at the time. Sometime later, feeling something off about my wife's behavior, I set up a camera. Then I discovered an affair between my wife and my senior. I felt regret and jealousy at the same time, and noticed that my groin was getting hot...