Our TG Caption

You decide that he should work at this establishment to make back all the money he's taken from you over the years. As you use the device on them, you learn just how much control you have over the mental side of things. You can't make him any smarter or nicer than either of them would be combined, but you can make them less. This gives you a better idea.

You decide that your brother doesn't need the any real smarts, that his only likes should be you and sex. Moments later you find your "brother" on her knees waiting for you to fuck her. You decide to sneak out the backdoor and head home with her.