Yes, there might be some popular ones. 'Robin's Forbidden Love' could be considered popular in some fanfic circles. It may deal with a relationship that is somehow forbidden for Robin, and within that context, there are lemon - like moments that add to the tension and passion of the story.
They are also both key members of the Straw Hat crew. In fanfiction, their relationship can be explored in different ways. For example, Luffy's unwavering trust in Robin and Robin's respect for Luffy as the captain can be the basis for many stories. Their combined abilities, Luffy's physical strength and Robin's knowledge of the world, can lead to exciting adventures in fan - created stories. Also, the mystery surrounding Robin's past and Luffy's dream of becoming the Pirate King provide rich material for fanfiction writers to build on.
A different approach could be a fanfic where Nico Robin discovers she's pregnant first, and Nami later. Robin could be more calm and collected about it initially, while Nami is a bit more panicked. But as time goes on, they both grow into their new roles as future mothers. The story could also explore how their pregnancies change their relationships with the other crew members and their own personal goals.
Another interesting one is 'Journey with Robin'. This fanfiction focuses on a long journey that the reader and Robin embark on. Along the way, they face various challenges and enemies. The story is filled with action and adventure, but also has some tender moments where the reader gets to see a different side of Robin. It's a great read for those who love a good adventure story with a touch of romance.
Another angle could be a romantic relationship between them. It would be interesting to see how their relationship develops, considering their different backgrounds. For example, Robin's past with the Straw Hats and Hancock's role as a Shichibukai. Their relationship could bring out new sides of their characters that we haven't seen before in the original story.
There is no direct connection between Nico Robin, a character from 'One Piece', and 'Pulp Fiction'. They belong to different fictional universes entirely. One is a part of a manga/anime world full of pirates, Devil Fruits, and the Grand Line, while the other is a cult classic American crime film with its own unique characters, storylines, and themes set in a very different context.
No. Nico Robin is a character firmly rooted in the 'One Piece' universe which has its own set of rules, including the existence of Devil Fruits, pirates, and different races. The world of 'Pulp Fiction' is a realistic (in a sense) crime - filled world in modern - day Los Angeles. The two worlds are so different in terms of their settings, cultures, and power dynamics that it's impossible for Nico Robin to exist in the world of 'Pulp Fiction'.