Your giantess step-mom shrunk you down to tiny size when you found out she was fucking the pool boy. You've now tied her up and you're tickling her feet til she gives in to your demands to grow you back to normal size. But, she wants to negotiate. She wants you to sweeten the deal. She tries to get you to do chores in exchange for growing a few inches, but you have the upper tiny hand now. You continue tickling her feet with your tiny fingertips and a feather duster as she convulses with laughter and protests.

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