Jess sighed as she got up from her desk. She had finished her homework and tried to think about what she'd do now. She went to the living room where her mother Jamie and father Joseph were giggling and watching a romantic comedy together. Her parents apparently having that forever twenties gene that was popping up in well off people for some reason. The 10 year old girl wondered how that worked exactly, and patted her chest unconsciously as she saw her mother's again. Such giant appendages that just jutted out, something in Jess' mind rejected something like those ever being on her chest. In general her female body felt off to her. Not exactly gender or body dysphoria just more... a feeling that this wasn't right. A bit of a side effect in everyone who was affected by the chronivac unbirth package involuntarily and aware it was happening... so basically just the little girl Jess who used to be the teenage boy Jeff. Being turned into a single egg cell makes it hard to retain memories, but there's something about the soul and the way the chronivac worked that let Jeff retain just a bit of himself while Jess was mostly unaware.
While I'm explaining things turns out more than just a single person in the world has a chronivac, and most people with chronivacs tend to make themselves pretty well off and make it so they don't age very normally, and change the world enough so that no one really gets suspicious why a few select well off individuals aren't aging or dying while everyone else are. Jamie having hooked up with Joseph awhile ago really enjoyed Joseph's personality and the fact that he was actually a pretty good lawyer who made a decent salary. Sure he was a little fat, had a bit of an acne problem, but none of those things really mattered when the chronivac existed. Now he was a tall, handsome, and muscular. Jess loved them both, but Jeff's love of his father Jack had made Jess' love a bit complicated.
Jess said "Um, Mom Dad? I finished my homework."
Jamie smiled at her daughter and said "Great! So tomorrow we can have fun on your 11th birthday! We're going to really have a lot of fun!"
Joseph said "I even got tomorrow off, can't wait to spend it with my favorite girls... Let's see the movie is ending so, to our soon to be birthday girl is there anything you want to watch?"
Jess sat on the couch next to Jamie and said "Can we watch that new magical girl movie that came out?" Her parents nodded as Jamie watched every episode with her daughter at least once and it was bonding, and Joseph nodding as while he didn't get what was going on half the time the character designs were at least... attractive. Sure his wife was a sex bomb, but sometimes it was nice to enjoy a character with a cup size a little more normal.
While watching the movie Jamie was half paying attention to the plot and more thinking about how her life became so much better ever since the chronivac came into her life. Sure at first it was very different and a little more lonely without Jeff, but finding Joseph, being really well off, and owning a home in the city made things a lot better. Jamie was surprised when Jeff came out as a girl, but she supposed that the chronivac only guaranteed Jeff's egg was fertilized, and not that the egg would be fertilized with a Y-chromosome sperm. However instead of immediately correcting that part she decided to keep it, but she did notice that her Jess' entry put the name "Jeff" beside hers. It really was Jeff, but it was also apparent that Jess was mostly unaware. Like 99% unaware, and decided to keep it like that till Jamie turned 11. Their lives had been great, and Jamie thought she'd make Jeff aware and see what he thought about being Jess. If needed Jess could be turned back into Jeff, or if Jeff was a little to violent then Jess' awareness could just be brought down to 100% and she'd have her happy little girl again.
The movie ended, they had a nice dinner, played a game or two, and then went to bed. Jamie could only imagine how interesting the next day would be.