Your sister's bathroom

Katrina walks through your cracked open bedroom door, not even bothering to look back and see if you're following her. She opens the door to your sister's room lightly, then turns around making a 'shush' motion towards you. Understanding, you walk lightly behind her. Your sister and her other friends are still asleep, but should be waking up anytime. Despite what you've already gone through in front of them, you can't help but feel a little exposed walking by them naked.

Katrina slips into your sister's private bathroom and you follow right behind. She gently nudges the door shut and sits you down on her vanity stool. You were always a little jealous that your sister got this big bathroom to herself while you had to share one with your mom, but that's favoritism for you.

"We have to be quiet. It'd be nice to do this in a more intimate setting, but this will have to do for now. Maybe sometime you can come over to my apartment and I can make you up, Marcia."

Holy shit, Katrina's apartment? Just the two of you? You'd go through any sort of humiliation she wanted to dish out to do that. Today a blowjob, who knows what she'd do then?

You're torn out of your musings by Katrina's voice saying, "Now, we have to make you pretty before the other girls wake up. The only question is...