What are you doing in MY room? You're such a pesky little brother, barging in here while I'm half naked in bed. It really isn't proper for a little brother to see his older sister like this. Look at my huge ass and tits falling out of my shirt--do you see what i mean? Oh well, I guess since you're here I might as well give you "THE TALK". You have no experience with females and I think I'm the best girl to teach you how to prepare. I know your cock is getting hard. Let me demonstrate how I want you to stroke it. I know you've been masturbating but it's a whole new level of pleasure when a beautiful sister shows you how to do it. I can't have my little brother just getting his cock stroked by random sluts now can I?