But before I could get far, a hand came down hard on my ass, the slap echoing slightly even underwater, the sting radiating deep into my flesh, making my pussy clench in response. 

  I yelped in surprise, twisting back to face Kai, my  mouth agape to chew him out. 

  “Kai, what the fu—”

  But he lunged forward, grabbing my hips with strong hands, yanking me back against him, the water splashing as his rock-hard cock ground against my ass through his trunks, thick and throbbing, rolling his hips in slow, deliberate circles.

  “Don’t you dare walk away from us, Laura,” he growled in my ear, his voice low and rough,...