【A Spartan Education for Premature Ejaculation That Can't Even Last 5 Minutes】Ever since I had a fight with my wife about my premature ejaculation, we've been sexless, and my pent-up dick is on the verge of exploding. One day, my sister-in-law, Kanna, came to stay over. Seeing her, the complete opposite of my wife, with her huge breasts and erotically shaped body, I instantly got an erection. I was secretly masturbating, but Kanna caught me... However, Kanna said, 'If you can hold out for 5 minutes with this, I'll have sex with you,' and with a seductive hand gesture... A boot camp for strengthening my premature, exposed-if-caught dick began.
