“I wish to undo my last wish”

Suddenly my thoughts took over and I had made another wish. I found myself now back to my old height, and my sister smirking at me.

“Now you know what I’m capable of. This power of yours... I have to say, it’s incredible. But also... it’s now mine! I’ve returned you to your normal size but only because I trust you won’t cause any problems for me... you’ll be an obedient little brother, won’t you?” asked Rebecca laughing at you.

You realise that now, Rebecca has got you cornered in every imaginable sense. She could shrink you and crush you at any moment. Hell, she could literally do anything she wants now that she can make wishes through you. You have ****.

“Yes Rebecca, I’ll be obedient. P-please don’t shrink me again! T-that was h-horrifying!” you said now pleading with your sister.

“Very well. So long as you don’t cause me any grief I won’t shrink you again... but I still need my **** for you perving on me, and of course, for all the other shitty things and thoughts of yours I’ve had to hear!”

Feeling helpless, you await your sister’s next move.

“Now, for my next wish...” Rebecca says...