Heat flooded her cheeks. She remembered that summer vividly. Swimming laps in the backyard pool in a tiny red bikini while Kai lounged on the deck, pretending to scroll on his phone but letting his eyes linger openly on the way the wet fabric clung to her breasts and the curve of her ass. She had pretended not to notice the bulge in his shorts or the way he adjusted himself when she climbed out of the water. But the memory had stayed with her, fueling guilty late-night fantasies she had never admitted to anyone.

“You’re insane,” she whispered, but the words came out breathy, lacking any real conviction.

“Am...