My sister suddenly visited my room. She said she didn't understand her studies, so I taught her, but she got tired and fell asleep midway. I started to molest my sleeping sister without her noticing. I was too engrossed and didn't realize my sister had woken up! Unable to bear it anymore, my sister said, 'It's just rubbing, right?' and we did dry humping. It was supposed to be just that much of a deal, but...?
