Family is a big theme. Since Harry is now part of the Weasley family as Ron's little brother, stories often explore the new family dynamics. Another theme is friendship. His relationship with Hermione and the other Gryffindors changes as he is now a Weasley. Also, identity is a theme. Harry has to figure out who he is in this new role.
One interesting 'Harry is Ron's little brother' fanfiction is 'The Weasley Bond'. It explores how Harry's relationship with the Weasley family changes with this new dynamic. He gets more involved in the family's day - to - day affairs and there are some really heartwarming moments between him and Ron as brothers.
The theme of growth is also prevalent. Ron starts as the little brother but as the story progresses in the fanfiction, he can grow into his own person, learning to stand out and be confident despite his position in the family. This growth can be both in terms of his magical abilities and his personal relationships.
One popular 'ron x little harry fanfiction' could be 'The Bond Beyond Hogwarts'. It explores their relationship in a post - war scenario where they rely on each other more than ever.
He could be a hero in disguise. While Harry is causing chaos, his little brother could be quietly saving people or helping out in the background. For example, he might be the one who secretly delivers food to those in need on the Isle of the Lost.
One possible plot could be that Harry's little brother is secretly trying to make peace between the different factions in the Descendants world. He could befriend characters from all sides and use his charm and intelligence to bridge the gaps. He may not be as much of a troublemaker as Harry, but rather a diplomat in the making.
Yes, there are likely fanfictions out there with such a premise. Fanfiction writers often come up with creative and out - of - the - box ideas like this. It allows for a whole new exploration of the Harry Potter universe, reimagining the relationships between characters in ways not seen in the original books.
A lesser - known but quite interesting one is 'Ron's Little Brother Perspective'. It gives a fresh take on the events in the original story from Ron's point of view as the little brother. It makes you see his actions and reactions in a whole new light, especially in relation to his family and friends.
In some Harry Potter fanfiction, Ron's muscles might be emphasized in various ways. For example, in a story where the trio has to face a physical challenge, Ron could suddenly show off his unexpected strength due to his well - developed muscles. Maybe he has been secretly training during their time at Hogwarts, and this newfound strength helps them get out of a tight situation.
One key element is their strong friendship as a base. Since they have been through so much together at Hogwarts. Another is the way they complement each other. Ron's more down - to - earth nature and Harry's leadership qualities create an interesting dynamic.