The outgoing and slightly dominant older sister and the introverted and slightly submissive younger sister. By the time I realized their true natures, my cock was already locked on! As I'm dating both sisters, I'm constantly being tempted by them at every turn in our daily lives! Finally, as they reach their prime, a battle for my cock erupts between the two sisters! Honestly, they're both cute and sexy, so I can't choose! Faced with my indecision, the two sisters decide, "Whoever gets the older brother off first wins," and forcefully engage in a 3P...