From Mighty to Micro: Giantess' Shrinking Saga

Giantess Princess Ellie Idol brought you down to size with her shrinking powers. She first reduced you to the size of a midget, then a doll man, and finally an ant. But that wasn't enough. She picked you up with her giant foot and threatened to crush you under her sole. However, she decided to shrink you one final time, making you her plaything. She threatened to eat you whole, but only squashed you under her foot in the end