Once they left, Emerald stared into her bedroom. She was on her own, more or less, and the mountain of boxes and luggage seemed to stare back with an... overwhelming sense of duty. It seemed like it would be an endless task to make sure everything was in its place.“I’ll help you put it away, Em,” her sister offered, walking up behind her. “For now, just relax. You’ve driven a few hours and worked hard enough for one day.”Pearl walked into the kitchen. “Yeah, I guess you’re right,” Emerald. I felt her boobs on my back and my cock started rising. Her hand was on my thigh and just near my cock. I started chatting with her and asked about her husband. She told me that he is working at Jalgaon in a company and comes once in a month. I asked her “Tum ek mahine tak pati ke bina akeli kaise gujarti ho, kam se kam raat me to tumhe ichcha hoti hogi?”She replied, “Main kya kar sakti hun. Naseeb me jo hai wohi milta hai” After this talk I felt her hand was touching my cock. I started pushing. I started to surf the net while trying to find the Tinder of cuckolding.I found a cuckolding website and put my ad up. Even though it was sexually arousing, it still wasn't easy to put up an ad that offered my wife to be fucked by someone else. I had to continue trying to remind myself that it was necessary if I wanted to sleep with her again.Within the first few hours of the ad being up with a simple picture of me and my wife fully clothed in nice attire, a few gentlemen responded. They were. Had last night really happened? Could I have been so stupid that I did not realise the young, teen pussy I was thrusting eagerly into did not belong to my sister's gymnastic team-mate, but to my little sister, herself?How could I possibly reconcile the fact that the most wonderful and arousing sex I had ever had was an i****tuous coupling with my eighteen year old sister? More to the point, how could I ever face the brat again, after what I had done to her?Then a thought struck me with such a.