Stepmom Watches Stepson Jerkoff

While enjoying some intimate time alone, your stepmother unexpectedly interrupts, halting the excitement. Struggling to hide your erect member, it's impossible to conceal the evidence. Surprisingly unfazed by the scene, your stepmom not only approves but also urges you to carry on with your pleasure.
Would it be acceptable to indulge in the act in her presence? After all, she gave permission. Before you know it, she decides to take part and lend a hand in your release. The limits of this endeavor remain unknown until exploration ensues.
Time to dive into the depths of this thrill.