Story Where Teen Seduces Friends Mom

[ThatGuy123]

I'm looking for an old story where a guys parents goes out of town and he has to stay at a family friends house. The family friend just has a daughter and a mom. The daughter is hot and the guy installs a program on the computer to track what she uses it for. One night he sees it is being used to read sexy stories so he calls her hoping to catch her in an awkward state, but the mother answers the phone. He then realizes that the mom is very attractive too and decides to assert dominance over her since the stories she was reading shows she liked to be submissive.