She's a professional dominatrix

"You're an adult entertainer here for the sex party," Dave said, looking at the state of the room and his mother and his former best friend and deciding it fit the situation. "Bunny here is a stripper and you're...you're a dominatrix named Chartreuse. At least, that's your performing name. I didn't ask your real name when I hired you."

"I'm a dominatrix?" his Aunt Jane exclaimed. "Oh god, and I came to a job dressed like this? You must think I'm a total amateur! It must be the amnesia!"

"I don't know," Dave shrugged. "The leather-and-whip thing is so over done. I could see how you would corner the 'Strict Aunt' market. Who knows what you've got hidden under those clothes! Not even you, apparently."

"I...I guess so..." 'Chartreuse conceded, not having any reason, or at least ability, to question it. "I'm just really embarrassed. With this amnesia, I don't know if you'll get your money's worth. I'd hate for you to feel cheated. Apparently I'm late on top of everything! I hope you gave them a good show."

She had addressed that last comment to Bunny, who was very confused, but with a wish from Dave his mother decided not to worry about it and climbed up on the coffee table to dance, quite confident that she had been hired as a stripper and took pride in her work.

"Oh, she's been great to at least one of us," Dave said, with a growing jealousy about what Jake had done to his mother as Bunny. "But I really was hoping for a dominatrix to really punish Jake here."

"Dude, don't!" Jake objected as Dave allowed him to talk again so as to enjoy his discomfort. With every throb of the bone he just felt more and more wicked. Why shouldn't he fuck his bimbofied mother? Why shouldn't he mess with his Aunt's head? Why shouldn't he enjoy his 'friend's' discomfort? The bone was his! He'd earned it!

"You know you like it, Jake!" Dave said, and the bone throbbed. "And Chartreuse, I'm sure you have muscle memory with all your years of experience. If you start dominating him, your memory might even start to come back! It's worth at least giving him a spanking, right?"

Jake got a stupid grin on his face. Chartreuse's eyes started to sparkle with a wicked gleam.

"I'll do it!" she exclaimed.