Les intrus, partie 2, ne peuvent pas les battre que de se joindre à eux

You can just imagine they're an embarrassment, here they are step sister and step-brother fucking each other in the neighbor's home, they were about when I walked in on them. At first, I was pissed but just then the little fuckers made a pass at me, what should I do you say? Like the old saying says, if you can't beat them join them.