My 18 year old stepdaughter got caught moaning my name!

I walked in the door and immediately heard my 18 yo stepdaughter moaning my name and caught her playing with her tight pink pussy. She says that she’s been fantasizing about me ever since she turned 18, and that she wants to have her first experience with an older guy. After making her promise not to tell her stepmother, I decided to give her some hands on sex ed.