You KNOW we shouldn't be doing this and if anyone hears... Ugh are you hard right now? WOW! Your dick actually is everything I love... WHY do you have to be my brother?! Well... We just HAVE to be quiet... You're in your sister's room, you've known what you've wanted and it's finally going to happen. It wasn't hard to get her to say no either. Hopefully this can be ongoing, she's just SO irresistible