As much as she desired revenge, Edna hadn't actually tested the gun on living matter. There was a possibility that a person wouldn't survive the transformation, and she didn't want to kill anyone. She wasn't THAT vengeful!
She looked at herself in the mirror and sighed. There really was only one responsible option. "Well, here goes."
Currently, the weapon was set for -10% mass. She turned it on herself, and fired.
There was a flash of light, and she shivered. She was naked now, which confused her. Looking down, her filthy clothing had been reduced to a pile of disgusting crud on the floor. In fact, she was completely clean, which was a welcome, if odd side effect. She went to her dresser, and got out the shirt she often wore to bed, an oversized t-shirt that said "I (heart symbol) toxic waste", a reference to the movie Real Genius.
Putting it on, she noticed it fit differently on her body. The hem, which normally came to about mid-thigh, was now below her knees. "Ha, it worked!" She laughed. She'd shrunk herself!
"Let's see, I was 85 pounds before, so that means I must be 76 and a half pounds now. And I have to be at least 6" shorter. I probably look like a nine year old." She shook her head.
Looking closer in the mirror, her facial features seemed...more delicate. Even younger, somehow. Taking off her shirt again, she noticed other changes. Her breasts were smaller, her hips narrower, and even her pubic hair had somewhat receded. It was as if...
She gasped. She hadn't just shrunk, her device had made her younger! "That's...not right." But she couldn't argue with the evidence before her eyes. Her first thought was to change back, but then she considered something...