It would change Harry's relationship with his friends. They would now have to also be protective of his baby sister. For example, Ron and Hermione might take on an almost parental role at times. They would be more cautious in their adventures to ensure the sister's safety.
Yes, there are quite a few. Some explore how a sister would change the dynamic of Harry's family and his adventures at Hogwarts. For example, she might be an additional source of support for Harry or have her own unique magical abilities that come into play during the fight against Voldemort.
Another interesting one is 'Baby Sister to the Boy Who Lived'. This fanfiction delves deep into how the baby sister's existence changes the dynamics not only within the Potter family but also in the wizarding world as a whole. It explores her growing up in the shadow of her famous brother, yet finding her own identity and making a mark in the magical community.
Well, often the sister is used to explore family relationships more deeply. Maybe she has memories of their parents that Harry doesn't, which helps him understand his family history better. Also, a lot of these fanfictions have the sister being sorted into Gryffindor like Harry, and they become a duo that everyone at Hogwarts looks up to. They face challenges together, like dealing with bullies or difficult professors, and their bond grows stronger through these experiences.
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.
One possible storyline could be how Harry Potter's friends react to the news of him having a baby. They might be overjoyed and start planning all kinds of things for the baby's future.
Maybe the baby dragon is a rare species. This would attract the attention of magical zoologists and collectors. Harry would then have to deal with the ethical issues of keeping the dragon or giving it to those who claim to study it properly. He would also need to consider the dragon's own well - being and freedom.
Well, it could be that the baby dragon has some special powers. Maybe it can communicate with Harry telepathically. This would lead to some really interesting adventures as they bond and learn from each other.
One interesting fanfiction could be about baby Harry's first magical experiences even before he went to Hogwarts. Maybe he unknowingly made his toys levitate when he was really young, and his aunt Petunia was terrified but couldn't figure out what was really going on.
Hermione could be a main character. She would probably be very involved in helping Harry with the baby, using her vast knowledge of magic to ensure the baby's well - being.