Once we arrived on the beach, we found an open set of chairs and settled down on them. At first, we all sat there, taking in the ocean view and watching the other resort guests around us. The beach wasn't crowded, but it was active, with workers moving around and guests playing games. The girls soon became restless and left to play in the surf, leaving me alone. Rachel's bikini seemed barely able to contain herself as she ran back and forth, her breasts bouncing dangerously. Despite my best intentions, I couldn't take my eyes off her.

Before long, though, it was picture time. The three girls pulled out their...