It could be Bella and Edward. Their relationship is central to the Twilight series, so it would be interesting to see how they interact if they meet again after a significant event.
Perhaps they meet again during a crisis that forces them to put aside their past differences. Like a new vampire threat emerges and they have to work together. It could also be interesting if they meet by accident in a human city far away from Forks, and have to hide their true identities while rekindling their relationship.
The main characters are usually America and the United Kingdom. They are often depicted with their unique personalities, with America being more brash and energetic and the UK being more reserved yet sophisticated.
Since I haven't read the novel, I can't tell who the main characters are exactly.
I don't know as I haven't read this novel. Maybe there are some characters with strong personalities.
I'm not sure as I haven't read this novel specifically. But usually, in a series novel, there are protagonists who drive the story forward. It could be a young couple, perhaps, given the somewhat romantic - sounding title.
It could be Bella and Edward. Since they are the central characters in the Twilight series, it's very likely that in a fanfiction titled 'begin again', their relationship might be the focus. They could be starting their relationship over after some big event or change in the fan - created story.
In this 'So We Meet Again Dear Ex - Husband Novel', the obvious main characters are the ex - husband and the woman who was once married to him. However, there could be other significant characters as well. For instance, the ex - husband may have a new partner or a business associate that affects the dynamic between him and his ex - wife. The ex - wife might also have a close friend who gives her advice on how to deal with her ex - husband, and these characters could be important in driving the plot forward.
Most likely Bella and Edward would still be main characters. Since it's a Twilight - based fanfic, their relationship is often central to the story.
I'm not sure specifically as I haven't fully studied this drama. But typically, there would be a male and a female lead who are central to the love story.
Alice's brother, Jasper, is also often overlooked. His backstory as a Confederate soldier turned vampire is full of potential for fanfiction. Writers could delve into his struggle with his past and how it affects his relationships in the present. Maybe a fanfic could show him trying to make amends for his actions during the Civil War in some way within the Twilight universe.