If your sister is a little slut, then what's wrong with that?

Another winter day was not at all different from a bunch of others like it, and the nerd was sitting on the couch, plugging into his phone. No one wrote to him, his personal account was empty, but good old porn beckoned, and he was just about to jerk off. And then everything changed and sparkled with bright colors with the appearance of my sister, who skipped into the room. The slut watched enough porn herself, but didn’t finish, but decided that she would do it with her brother. It didn’t take long to persuade him, and soon they were having a great time tumbling in the bedroom.