Although seriously, the plan isn't a bad one. As she herself noted, a female sidekick has way better odds than a villain, he wouldn't need to feel QUITE as conflicted having an ally hanging off him all the time, and she kind of is a Villain With an 'F' in Evil, anyway, so 'convincing' her to go good would be an easy way to resolve all this mess. It's just that those qualities also guarantee the plan's failure.
... Hey... wait a minute...Wait!!Here I go!!I told you to waaaaait!!!That's right, and if I can become the hero Braveman's sidekick...That couple shot will no longer be a problem for you...!!Please don't worry!What an animal...But for that, I need to pass the exam...And first begin as a trainee.Soon, I will become...!No, wait...Wait!A female hero suitable enough to become Braveman's sidekick!!... No way, now he's trying to get his hands on the new girl...!Hey, wait!!!Ah! Time for the exam!