Catching my Step-Sister Being Too Horny

As I headed towards the bathroom, I was taken aback by the strange sounds emanating from within. Upon opening the door, I stumbled upon a surprising sight - my stepsister, Riley, pleasuring herself with a vibrating toy. Startled by my sudden appearance, she hastily covered herself with a towel, the toy slipping from her grasp. Emboldened by her evident arousal, she began making advances towards me. In that exhilarating moment, I realized that this was the perfect opportunity to indulge in a forbidden encounter with my stepsister, exploring the depths of her desire.