Perhaps in the fanfiction, Tommy's baby sister has a special power or ability. Tommy has to figure out how to keep it a secret from the adults while also helping her learn to control it. This could lead to all sorts of fun and exciting situations as they work together.
Tommy might be excited at first. He could be looking forward to having a new playmate. But then when he realizes she can't really play like he does right away, he might get a bit frustrated.
The story could start with Kagome giving birth in a hidden place in the forest, away from prying eyes. Inuyasha is both excited and worried about being a father. As the baby grows, it shows an affinity for spiritual powers like Kagome and also has the strength of Inuyasha. They raise the baby in a world that is still not fully accepting of their relationship, but they are determined to give their child a happy life.
One possible story could be that their baby inherits Aladdin's adventurous spirit and Jasmine's kindness. The baby might grow up in a world where Agrabah is more prosperous and peaceful. Aladdin and Jasmine would be loving parents, teaching their child about different cultures within the city and how to rule justly in the future.
Well, in the fanfiction, their baby could be a symbol of hope for the new generation. Boruto and Sarada would surely teach the baby about the importance of friendship, loyalty, and hard work. It could also show how different clans, like the Uzumaki and the Uchiha, come together through their child. The baby might grow up to have an important role in uniting the different ninja villages.
Well, in this fanfiction, the baby could be a catalyst for change in the elven world. As Legolas has seen much of Middle - earth and Tauriel has her own experiences, their baby might grow up with a broader perspective. It could befriend other races more easily, which would be a big shift in the elven society. The baby's birth could also bring about new traditions and ways of thinking among the elves.
One possible story could be that Nightwing and Starfire are living a relatively normal life when they find out Starfire is pregnant. They are both overjoyed and a bit nervous. Nightwing becomes extremely protective, constantly making sure Starfire is safe and comfortable. Their friends are also excited for them. As the pregnancy progresses, they start preparing a nursery with things from both their Tamaranian and Earth cultures. The baby could inherit powers from both of them, leading to a whole new set of adventures as they raise their super - powered child.
Well, in this fanfiction, perhaps it could start with a prophecy that only a child born from Gaara and Hinata could bring peace to the ninja world. So, the two are brought together for this greater purpose. They initially struggle to understand each other as they come from very different backgrounds. But as they work towards having a baby, they learn to love and respect each other. The baby, when born, could have some amazing powers that combine Gaara's control over sand and Hinata's Byakugan abilities.
One possible plot could be that the baby sister has some unique magical abilities from the start. Maybe she can communicate with magical creatures in a way that no one else can. This could lead to all sorts of adventures where Harry and his friends have to protect her from those who might want to use her abilities for evil. For example, Voldemort's remaining followers might see her as a new threat or a tool to be used.
In a fanfiction, the baby of Pikachu and Buneary could inherit Pikachu's electric powers and Buneary's cute appearance. It might have soft, furry ears like Buneary and the ability to generate small electric shocks. The story could revolve around the challenges and joys of raising such a unique baby in the Pokémon world.
One possible fanfiction could be about Tommy and Kimi going on an adventure together in their grown - up world. Maybe they are exploring a new city that has just opened up some sort of mystery park. They could be the ones to solve the mystery of the strange happenings in the park, using their friendship and the skills they've developed over the years.