Vivian has two formulas in front of her. She knows they are both supposed to do the same thing. She takes the first one and grows into a nice Giantess and even saves a guy from a fire. Later she shrinks back and wants to be big again so she takes the other formula but this time she becomes an evil Giantess and many people.

Vivian has two formulas in front of her. She knows they are both supposed to do the same thing. She takes the first one and grows into a nice Giantess and even saves a guy from a fire. Later she shrinks back and wants to be big again so she takes the other formula but this time she becomes an evil Giantess and many people.