I froze at the sound of my sister’s gasp.

My heart slammed against my ribs like a caged animal. I quickly pulled my hand out of my panties, the wetness on my fingers cool in the night air, and backed away from the kitchen doorway on silent feet. Claire’s voice carried through the hallway, sharp with confusion.

“What was that? Isaac, did you hear something?”

Shit!

Isaac’s deep voice replied calmly, a hint of amusement threading through it. “I didn’t hear a thing, babe. Maybe it’s just the wind hitting the windows. Keep going. Your mouth feels too good to stop now.”

I didn’t wait for another word. I turned...