Another plotline could be that during the birth, Katniss has flashbacks of her time in the Hunger Games. These memories fuel her determination to create a better world for her child. The baby's arrival also causes a shift in the political situation, as the districts see the new life as a sign that they need to work even harder to ensure a safe and prosperous future for all children.
One possible plotline could be Haymitch helping Katniss deal with the aftermath of the Hunger Games. He could use his own experiences to guide her and they could develop a deeper bond. For example, he might teach her how to handle the political side of things in the Capitol, which she is not very good at initially.
One possible plotline could be about the challenges she faces in a post - Hunger Games world. Maybe there are still political unrests and she has to deal with that while being pregnant. Another could be her relationship with her parents during this time. Katniss and Peeta might be overprotective or she could be trying to prove her independence from them.
One possible plotline could be the baby daughter inheriting Loki's mischievous nature. She might play little tricks on the Asgardians, like changing the color of Thor's hammer for a day. Another could be her growing up in a world that is sometimes hostile to her because of her father's reputation, and she has to prove herself to be different. And perhaps she discovers a unique power within her that no one in Asgard has ever seen before.
Gale could be another important character. Despite his complicated relationship with Katniss, he still cares about her. He might be on the lookout for any external dangers while the birth is taking place. His skills as a hunter and his knowledge of the land could be used to protect Katniss and her new - born baby.
Perhaps the fanfiction could focus on the relationship between Orochimaru and Baby Mitsuki as a father - son type of bond. Orochimaru, having created Mitsuki, might have some paternal feelings. The story could show how Orochimaru tries to raise Mitsuki in his own way, teaching him about the ninja world, and how Mitsuki grows up with a unique perspective due to his creator. For example, Mitsuki might question Orochimaru's more devious actions while still having loyalty towards him.
A plot could be that their baby has some special abilities. Maybe it has an uncanny ability to sense danger, which is both a blessing and a curse. Peeta and Katniss have to figure out how to help their child control this ability while also keeping it a secret from those who might want to use the baby for their own gain. It could lead to a series of adventures as they move to different districts to keep the baby safe.
Well, perhaps in the fanfiction, Canada turns into a baby due to some magical mishap. The nations have to search for a way to turn him back. Meanwhile, baby Canada is just exploring the world around him innocently. He might crawl over to England's tea set and accidentally break a cup, leading to England's typical over - reaction.
Well, a plotline might involve Snape initially being in denial about the pregnancy. As it progresses, he could start to form an unexpected bond with the unborn child. There could also be a plot where other characters find out and either support him or try to use it against him. Maybe Voldemort discovers it and tries to manipulate Snape in a new way because of this situation.
One possible plotline could be that Cato kidnaps Katniss as a strategic move in the Hunger Games. Maybe he thinks he can use her to draw out other tributes or get an advantage over the Careers. Another could be that Cato has some sort of personal vendetta against Katniss that leads him to kidnap her outside of the normal rules of the Games.
Another plot could revolve around the baby inheriting unique powers. It might be a combination of Ichigo's Shinigami and Hollow powers and Orihime's abilities. This could attract unwanted attention from various factions in the Bleach world, leading to a story of the family trying to keep the baby's powers a secret while also helping the baby learn to control them.