The card said:
Leave me alone.
Your sister is here.
What? Sister? Andrew was an only child...
Andrew had no time to muse on this, however, as the doors to the backroom burst open. He whirled around, nearly losing his balance as he beheld a teenage girl framed by the light pouring in. Her arms were outstretched to spread the doors wide, and she looked at him so angrily he fully expected her to start frothing at the mouth.
"You little brat, Andy!" she shouted, "Do you have any idea how much I'd have been in trouble if Mom and Dad had found out I lost you at the mall? You can't just run away from me and play games!"
"But, I..." Andrew was dumbfounded.
She cut him off. "You know you can't take care of yourself. You have to stay by me so you don't-- What the hell! Why is your udder out? Where's your skirt?"
"Skirt?" When the udder had appeared, his pants had torn open and he'd taken them off. The scraps were right over by... oh no. Where the shredded denim had been was a calf-length skirt lying discarded on the floor.
"Jesus H. Tits, Andy. You're not three. Clothes stay on. What were you even doing back here? Here, I'll help you." His new sister picked up the garment and motioned for him to step into it.
Andrew tried to reason with her. "But-"
"No! No, goddammit, no. I'm not doing this with you today. You're really pissing me off. Get the stupid skirt on. I'm already late for my date because of you."
Andy stepped both feet into the skirt and the girl slid it up over his udder, fighting with the waistband a little. The skirt was really roomy, and luckily disguised his bulging organ well. As his sister fiddled with the zipper, he saw an open-faced locket around her neck. The picture was of her and another girl. An image of a fancy ribbon decoration crossed the photo, reading "The Two Courtneys, Together Forever" So her name was Courtney! He really hoped he could explain this to her later and get his life back.