Sienna;

I was nineteen and stupidly horny for my stepbrother, Damien.

The mansion felt too big, too empty with Mom and Dad gone on their month-long honeymoon in the Maldives. Just me, the hum of the air conditioning, and the kind of silence that made every creak of the floorboards sound like a secret. I’d come home from my first year of college two days ago, thinking I’d have the place to myself. Sleep late. Swim naked in the pool. Touch myself without worrying about thin walls.

The moment he stepped into the marble foyer, the air shifted.

I was halfway down the grand staircase in nothing but an oversized...