This situation reminds me of when my wifes young niece came to stay with us during the holidays . I told the wife I needed a drink to relax and fall asleep instead I ran into my horny niece and she began to fondle my hug hard on . So we ventured into the guest bedroom for a wild fuck session where I ended up exploding deep into her tight creamy pussy knocking her up . She ended up pinning it on her boyfriend back home clearing us of our misdeeds , that was a close one.