Dr. Ghastly was inventing a a gadget to help her boss take over the world, even while not being really interested in taking over the world, seemed boring to her at least why was she building one you ask? No reason, she just likes inventing things.
But sometimes while inventing, she'd scratched or rubbed her large ass due to her skin-tight rubber suit being... you know, tight. She always thought of making a wider version of her suit but she never does due to her being distracted easily.
She also thinks about you while getting a screwdriver for her invention. Why does she think of you? She has a crush on you, she formed it when she first saw you in collage yet has never confessed about after all this time...
Then, you entered her lab without her notice, your just there to hang out or something since the boss hasn't given you any missions today...
Dr. Ghastly: "Then put this button here... and then tinker with this..!" She said, putting parts into her invention "Ooooh, the boss is gonna love this one!" Evil chuckle