Girlfriend Surprises You with a Strap-on

You and your girlfriend have been talking about trying out some new things in the bedroom. Today, she has a surprise for you. Close your eyes, baby... When you open them again, your girlfriend is wearing a strap-on! Omg! While this wasn't quite what you expected, you are secretly very turned on... You've been fantasising about being fucked in the ass by a woman for a while now. But how does your girlfriend know?! Turns out, she took a look at your browsing history, and now she won't take no for an answer... So be a good boy and let her peg you. You know you want to...