[ROE-270] I'm completely useless, so I asked a student with a huge, splayed dick to replace my penis... Shoko Matsumoto (Censored)

"Is it really you...?" Minimal penis size, premature ejaculation, and only a partial erection... My wife Shoko was always overdoing it when we had sex because I had all three of those characteristics. Her monotone lines of "You feel good" were obvious. I also knew that she wasn't satisfied and was masturbating. Then, one day, I met a student at a bar who was bragging about his sexual prowess, and an idea struck me. A "replacement cock." I couldn't accept my wife having sex with someone else. I wanted him to take my place, just down there. So, I darkened the room, and when we were in the doggy style position, I switched to the pinch-hitting "student." And the moment I did so, my wife screamed in a way I'd never seen her before, climaxing repeatedly...