Scootaloo was never quite satisfied with how her genetics played out. She was happy with the thick thighs she had worked hard to get and the big butt was a plus, but her chest was always flat as a wooden board. That changes the day she decided to wear the mysterious collar someone had sent her.

Clop: Breast and Butt growth, Growing Big, a little destruction, using public property like a dildo, and transformation right at the end.