Maybe there are characters who are on a journey of self - discovery. They could be friends who get separated and are the main focus of the story as they navigate their lives until they meet again. There might also be some sort of mentor or guiding figure in the story.
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.
Love and friendship are likely to be main themes. In many novels, these elements play important roles in driving the plot and character development.
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.
I don't know as I haven't read this novel. Maybe there are some characters with strong personalities.
Maybe it has a young protagonist who is on a journey to find someone. And there could be an older, wiser character who guides the protagonist along the way. The red threads might connect the protagonist to the person they are meant to meet again, and these two main characters would play important roles in the story.
One common theme is love and its endurance. Since the series likely has elements of relationships, fanfictions may explore different aspects of love, like how it survives through difficult times.
Since I haven't read the novel, I can't tell who the main characters are exactly.
Maybe an Imperial officer who is extremely cunning and ruthless. He might be obsessed with hunting down the Rebels and has a personal vendetta against them. He could use underhanded tactics and his knowledge of the Empire's resources to cause trouble for our heroes.
I'm not sure as I haven't read it. But it could be about love or fate considering the title. The'red thread' often symbolizes a connection, and'meet again' might imply a story of relationships that are meant to be.
I'm not sure which specific 'until we meet again the series fanfiction' are the best. However, you could try joining fan groups or forums dedicated to the series. Fans there might be able to recommend some great fanfictions that they have read and loved. They can also give you insights into the different styles and plotlines of the fanfictions available.
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.