Is that really you...? My wife Shouko always struggled with our intimate moments, enduring my small penis, premature ejaculation, and half-hard erections. Her robotic "You feel good" was transparent. I knew she wasn't satisfied and often masturbated. One day, I met a student bragging about his large penis at a bar, and an idea struck me: a "substitute cock." I couldn't accept my wife being intimate with someone else. I just wanted her pussy to be my substitute. Then, in a darkened room, when we were in doggy style, I switched places with the "student guy." Suddenly, my wife, in a way I'd never seen before, screamed and reached multiple orgasms...
