Step-sister's mishap in self-defense class with accidental exposure

In a twist of fate, two alluring step-sisters, both enrolled in a self-defense class, found themselves in a hilarious predicament. While practicing their moves, one sister accidentally exposed her ample assets, eliciting a chuckle from her sister and their instructor. In a playful retaliation, the exposed sister decided to turn the tables, leading to a mischievous striptease. As the tension heightened, she skillfully undressed her sister, revealing her luscious curves. Seizing the opportunity, the instructor's arousal became evident as he stepped forward, igniting a passionate encounter. The exposed sister eagerly took him into her mouth, skillfully pleasuring him with fervor. Their intimate dance continued as the sister mounted him, riding his throbbing desire with unabashed enthusiasm. The instructor reciprocated, claiming her with a powerful thrust, culminating in a climactic release. This accidental exposure led to an unexpected, intense encounter, leaving them all in a state of euphoria.