Rose might see Bill as a new addition to the Doctor's life and at first be a bit wary. But as they face challenges together, like fighting off alien threats or solving complex time - related puzzles, they would start to trust each other. The Doctor would be in the middle, trying to balance his old connection with Rose and his new friendship with Bill. This could lead to some interesting dynamics, for example, the Doctor might have to make decisions that would affect both relationships differently.
One idea could be that Rose returns during the 12th Doctor's time and has to adjust to his new personality. Maybe she teams up with Bill to help the Doctor solve a mystery on a strange planet. They could discover an ancient civilization that has a connection to Rose's past adventures.
The main characters are, of course, the 11th Doctor and Rose. The 11th Doctor is known for his energetic and somewhat eccentric personality. He has his signature bow tie and fez. Rose, on the other hand, is a strong - willed and adventurous character. She has her own set of skills and experiences from her previous travels with the Doctor.
Well, their relationship is full of chemistry. The 9th Doctor is this complex, brooding character and Rose is this curious and brave girl. Their interactions are exciting to read about in fanfic.
One interesting fanfic could be about the 13th Doctor and Rose Tyler going on an adventure in a parallel universe. They might encounter strange creatures and have to use their wits to survive. Maybe they find a lost civilization and have to help them solve a mystery.
One possible plotline could be the 11th Doctor and Rose exploring a new and mysterious planet together. They might encounter strange alien species and have to use their wits to survive. Another could be them reuniting after a long time apart and having to deal with the changes in their relationship. Maybe Rose has new skills or experiences that the Doctor has to get used to.
One great '9th doctor and rose fanfic' is 'A New Beginning'. It beautifully captures their relationship's early days. The author does a wonderful job of showing the Doctor's mystery through the eyes of Rose.
Fanfictions about the 10th doctor duplicate and Rose can vary greatly. They can be set in different time periods or even different versions of the TARDIS. Some might have the duplicate and Rose facing new enemies that they have to overcome together. This creates a lot of opportunities for character development. The duplicate might start as a bit of an enigma but as the story progresses, we see him grow and change, especially in relation to Rose.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of Doctor Who fanfics, and you can easily search for ones specifically about the 13th Doctor and Rose Tyler. There are also some Doctor Who fan forums where fans might share their favorite fanfics.
There are fanfictions where the 9th Doctor and Rose go on a quest to save a particular civilization. This could be a civilization that was only briefly mentioned in the original series or a completely new one created by the fanfiction writer. Along the way, they face many challenges, both physical and emotional. The story could explore how they support each other during these tough times, and how their relationship evolves as a result of the quest.