Chapter 3 Riley POV “f**k this stupid app,” I muttered under my breath the second my eyes cracked open the next morning, my phone already buzzing on the nightstand like it had been waiting for me to wake up. My p***y still felt a little sore and puffy from last night’s frantic rubbing after I got back to the dorm, that dark twisted ache that wouldn’t quite go away no matter how many times I told myself I hated Kai for what he was doing. I grabbed the phone and opened the Sin App with shaking fingers, my heart already kicking up speed before I even read the message. New command from Kai: Wear the vibrating panties I left in your locker. Attend your morning lecture without removing them. Don’t give excuses. Fail and the video drops at noon. My stomach flipped hard. “He left someth

