Abby Lee Miller would be an obvious choice. The new girl could have a love - hate relationship with Abby. Abby could see great potential in her but also be very tough on her, which would create a lot of tension and interesting storylines. The new girl could also be paired with Maddie. Maddie could be initially jealous of the new girl's talent but then they could become friends and learn from each other. Their combined skills could lead to some amazing dance performances.
In a 'pokemon new girl fanfic', perhaps the new girl has some special ability that allows her to communicate with Pokemon in a unique way. She uses this ability to solve problems between different Pokemon species. For example, there could be a conflict between two groups of Pokemon in a forest, and she steps in to help them understand each other. Along her journey, she also meets some well - known Pokemon trainers and learns from them.
One common theme is fitting in. The new girl often has to find her place among the different monster cliques at Monster High. For example, if she's a new type of monster that no one has seen before, she might face some initial rejection but then slowly make friends.
The title implies that Marinette and Chat Noir are important as it has 'Marichat' in it. Then there's the 'new girl' who is probably a new addition to the story's universe. And Amanda, who is also named in the title, so she must be one of the main characters as well. Maybe she has a special connection to the new girl or is involved in the relationship between Marinette and Chat Noir in some way.
The main characters could include the new girl, a group of her new friends she meets on her Pokemon journey. Maybe one of her friends has a really powerful but mischievous Pokemon. And also, an antagonist in the form of a rival trainer who is always trying to outdo her.
Perhaps she is a time - traveler from the future. She has knowledge of future events that will endanger the ninja world and Sasuke. So, she tries to enlist his help, and in the process, a relationship develops between them. She might have unique abilities due to her time - traveling origin.
One possible plot could be that Alice Gehabich, as the new girl, has a hard time fitting in at school. She might meet a group of misfits who eventually become her best friends. Together, they could face challenges like a strict teacher or a school bully. As the story progresses, Alice discovers a hidden talent for art and uses it to bring the school together for an art project.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of 'New Girl' fanfics. Just search for 'New Girl' in the search bar, and you'll get a variety of stories to choose from.
I'm sorry, I haven't actually read this specific fanfic. But generally, in a 'Marichat' related fanfic which involves a 'new girl' and 'Amanda', it might be about a new female character (the new girl) getting involved in the relationship dynamic of Marinette and Chat Noir. Maybe Amanda is another character who plays a role in their story, perhaps as a friend, rival or some other element that creates drama or new developments.
When writing a non - dirty 'New Girl' fanfic, it's important to stay true to the show's tone. The show is known for its humor and heartwarming moments. So, you can write about things like Winston's pranks or Jess's attempts at cooking for her friends. Build the story around their daily lives and the interactions that make the show so beloved. Also, avoid using vulgar language or innuendos.