Miss Mae Ling's older step-sister broke up with you because you wanted her to take a pill to grow into a giantess. She decides that she'll step up and take the pill to be your new girlfriend and giantess. In order for the giantess pill to work, you must stroke and pump your cock. The more you stroke, the bigger she grows. Keep stroking, the bigger she grows the more domineering and bratty she gets.

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