With Jen asking for her vagina, you had an idea. Then you pointed your wand at her and Chad, sending her the message "wish fulfilled" after it.
Jen thought this was strange, because she still had a dick, which was still hard. That's when Chad got up and, saying he was also very excited, he took off his clothes and spread his legs out for her. To her surprise, in the place where his dick was supposed to be, he had a vagina, which was totally wet. She received a new message from you that said "This vagina between his legs is exactly the same that used to be between yours."
Realizing that she couldn't escape the situation she was in, Jen decided she was going to fuck her own vagina, which was now between Chad's legs, but she asked Chad to go to her room, where you wouldn't be able to see anything.
That was no obstacle for you, who used the wand on yourself, making you invisible, and ran in front of them to the bedroom. There, Jen took off her clothes while Chad lay on the bed, and soon after she started to fuck him.
You took the cue to masturbate while watching the two of them having sex, but you had one more idea that you thought was better. So you took the wand and made sure they wouldn't care about anything you did, and then, after taking your own clothes off, you go over to them and start fucking Jen's ass. She groaned at the penetration, but continued to fuck Chad without saying anything.
When Jen announced that she was about to come, you took the wand again and, pointing to it, you made her balls look much bigger, each the size of an orange. She noticed that her balls grew, but she didn't have time to do anything before she came. You and Chad came soon after.
At the end of your orgasms, you got dressed again, ran into the living room and made yourself visible again before Jen and Chad arrived.
Back in the living room, Jen goes straight to you saying "This can only be something you did, you are ruining my life with this." Jen was now wearing her pajama pants because they were wider, but now her balls were so big that they could be seen through the fabric.
Chad was around, looking confused by the fact that Jen came to argue with you. It was at this time that ....