Stepsister Sucks my Dick under the Covers until my Girlfriend Sees

Imagine you're in a cozy little house, snuggled up with your girlfriend, feeling like it's a perfect night. Suddenly, your stepsister walks in, wearing a sultry smile and a revealing nightie. She knows what she wants, and she's ready to take it. As she slides under the covers, you can't help but feel a mix of excitement and nervousness. She starts to play with your body, her hands exploring every inch of you. You're both aware that your girlfriend is just a few feet away, but the thrill of it makes everything even hotter. She takes your cock in her mouth, her moans vibrations you can feel. The sight of her lips wrapped around your shaft is enough to make you lose control. You're close now, and she knows it. She wants it all, every last drop. As she moves her head up and down, her eyes meet yours, a silent understanding passing between you. She's ready for your load, and you're more than willing to give it to her. The room fills with the sound of your moans and her slurping lips. Suddenly, your girlfriend opens her eyes, catching you both in the act. Instead of being shocked, she looks on with a mix of surprise and arousal. She's never seen anything like this before, but there's something about it that turns her on. As you finally let go, your stepsister swallows every drop, her eyes never leaving yours. Your girlfriend watches in disbelief, but also with a newfound curiosity. She's never felt more alive, more turned on. This night is just the beginning of a new chapter for all three of you.