Head to the bathroom.

As much as you'd like to nut while you see the two hot girls sharing a mouthful of fresh cum, you realize you should be behind a locked door. Your sister has been acting weird all day, and you don't want her to burst in on you while you're jerking off to porn.

You pull off your headphones, close the browser window, and head quickly to your bedroom door. When you open it, Abbie is in the hallway. She smiles at you. "Ready to let me get you out of those clothes and into something hot, stretch?" She asks as she steps closer to you. Her eyes move up and down your body, like she's sizing you up. Does she linger looking at your crotch? Fuck, can she see the bulge there?

"Just heading to the bathroom," you stammer out, as you maneuver past her in the hallway. Her fingertips trail over your arm as you pass her. Was she waiting in the hall for you to come out? Listening at your door? You're pretty sure that she wouldn't have heard anything, but it makes you nervous anyway. Would you have even realized if she had opened your door and peeked in at you? You were engrossed in the video, and the headphones would have made it hard to hear her. Does she know what you were watching?

You hurry into the bathroom, close the door and lock it behind you. "Don't take too long." Abbie calls through the door. "After I pick our your clothes, I want to take a long, hot shower. I really need to... mmmm... relax, before we go out tonight." She giggles. Your pulse is racing. You don't hear her walk away. She's standing right outside the door. You're too scared to jerk off, she might hear something. As you drop your jeans and pull out your stiff, aching cock, you **** out "I'm gonna be a little while. I'll let you know when the bathroom's free."

You still don't hear her move from the door. You feel very exposed, but you also feel like your cock is about to explode. You grab a wad of toilet paper to catch your cum, and start to stroke your shaft. Trying to keep your breathing as quiet as you can. It doesn't take long to cum, but then you have to wait a while so you can pee. That way at least your sister will hear you actually using the bathroom. You wash your hands and open the bathroom door to find Abbie still waiting there.

Your sister grins wide. "You took a while in there, beanpole? You weren't just peeing were you?" She asks in a teasing tone. She slides one arm around your waist and starts to guide you back towards your room. Her petite body presses against your side. "If you wanted privacy to jerk off, you could have just told me to keep out of your room." She looks up at you with a smile and winks, "Or asked me to help, if you prefer." She lets out a throaty, sultry laugh.

You walk with Abbie into your bedroom. "Come on, let's see what you've got..." she starts tugging your tee shirt up and off, "in your closet. I want you to look your best when you meet my friends." She pulls the tee shirt off over your head and tosses it aside. She stands looking at you for a moment, with the tip of her finger in the corner of her mouth. Then she turns and starts sorting through the shirts hanging up in your closet. "Take your jeans off, too. You need a whole new look. If I can't find anything in here, I'll take you shopping real quick."