One idea could be that Cat and Beck get lost in a magical forest during a theater production rehearsal. They encounter strange creatures that force them to rely on each other more than ever, strengthening their bond.
One idea could be a story where Beck and Andre collaborate on a unique musical project. They might face challenges like finding the right sound or dealing with creative differences, but in the end, they create a masterpiece.
One idea could be a cat girl who discovers she has special powers and has to use them to save her city from an evil villain. Another could be a cat girl falling in love with a human in a world where such relationships are frowned upon.
One popular Beck cat fanfic could be 'The Adventures of Beck the Cat'. It might be about Beck's daily escapades in a magical world filled with talking animals. Another could be 'Beck's Mysterious Journey' where Beck goes on a quest to find a lost treasure. There's also the possibility of a heart - warming story like 'Beck's New Home' which details how Beck adapts to a new family and environment.
A possible plot is that the cat OC is a magical being from a different dimension. It gets lost in the Naruto universe and Naruto helps it. In return, the cat OC teaches Naruto some unique chakra - control techniques that it has from its own world, which gives Naruto an edge in battles.
One idea could be that Black Cat steals a valuable item, and Spiderman has to track her down. But when he finds her, they discover a bigger threat together and have to team up to stop it.
One idea could be that they initially panic about the pregnancy but then gradually grow excited as they start planning for the baby. They could face challenges like how to balance their careers and the upcoming parenthood.
One of the great 'beck and cat fanfic' is 'A Day in the Life of Beck and Cat'. It really captures their dynamic well.
I'm not sure specifically as I haven't read that exact fanfic. But generally, a fanfic about Beck and Cat might be about their relationship, some adventures they have together, or perhaps how they deal with certain situations in an alternate storyline created by the fanfic writer.
A territorial dispute could be another plot. Black Cat has been operating in a certain part of the city for a while, and Catwoman moves in. They start a battle of wits and skills to see who gets to claim the area as their own hunting ground for valuable items. This could involve a series of rooftop chases and close - quarter combat scenes in the city's seedy alleyways.
One plot idea could be that Catwoman and Black Cat team up to steal a valuable artifact that has been causing chaos in the criminal underworld. They start off as rivals, each with their own motives, but as they work together, they begin to respect and even like each other.