There's a fanfiction where Cat Noir's little sister has a special power of her own. She can communicate with animals, which comes in handy when Cat Noir is facing an enemy that has some sort of animal - related powers. This adds a new dynamic to the story as she helps him gather information from the animal kingdom.
In some fanfictions, Cat Noir's little sister is a normal girl at first. But as the story progresses, she starts to train under Ladybug to become a hero in her own right. This training involves learning about self - defense and how to use her wits against the bad guys. It's a really interesting take on expanding the Miraculous universe.
One great fanfiction could be where Cat Noir's little sister discovers his secret identity by accident. She might start to get involved in his superhero world, like helping him with small tasks secretly. For example, she could use her own unique skills, like being really good at puzzles, to solve some of the riddles left by the villains.
Another theme is growth. The little sister often grows from being an innocent bystander to someone who is actively involved in the fight against evil. This could involve her overcoming her fears and learning new skills, like how to use a special weapon or gadget.
One interesting fanfiction could be where Lucius Malfoy's little sister is a rebel in the pure - blood society. She might secretly befriend Muggle - borns and try to change the views within her family. It could show her struggles between loyalty to her family's ideals and her own sense of right and wrong.
One great fanfiction could be where Jessica Jones' little sister discovers her own powers. It might start with her feeling overshadowed by Jessica but then she realizes she has a unique ability, like telepathy. She could use this to help Jessica solve a case in a different way than Jessica's brute - force detective work.
One interesting fanfiction could be where Lucy discovers she has a unique magical ability that even Harry doesn't have. Maybe she can communicate with magical creatures on a deeper level. In this story, she uses her ability to solve a mystery in Hogwarts that has been baffling everyone. It could show her growing up in the shadow of her famous brother but still making her own mark in the wizarding world.
There might be a fanfic where Channing Tatum's little sister is on a journey of self - discovery. Maybe she travels the world and has adventures while Channing is always there in spirit, supporting her from afar. This could explore her character growth and independence.
One great 'Avengers Little Sister' fanfiction is 'The Little Sister's Big Adventure'. It has an interesting plot where the little sister discovers she has powers and tries to fit in with the Avengers. The character development is really well - done.
In some fanfictions, Cat Noir's reaction is more complex. He is excited to know but also realizes the great responsibility that comes with this knowledge. He becomes extremely protective of Ladybug's identity. He might start to distance himself a bit in order to not accidentally give away her secret. At the same time, he has to deal with his own feelings for her which are now even more intense since he knows who she really is.
One great 'A Cat in Paris' fanfiction could be one that explores the cat's adventures before the events of the movie. Maybe it shows how the cat first discovered its love for the rooftops of Paris.
Obviously, their best friends like Alya and Nino would be there. Alya could be Ladybug's maid of honor, and Nino could be Cat Noir's best man. Also, all the other superheroes they've worked with in Paris would be invited. And of course, their families, if their identities were revealed by then. Maybe even some of the citizens of Paris who have been saved by them over the years would show up to celebrate this special occasion.
A really popular 'Good Luck Charlie' little sister fanfiction is 'Charlie and the Neighbor'. It tells the story of Charlie making a new friend in the neighborhood and all the adventures that come with it. Fanfictions like these are great because they expand on the world of the show. They let us see more of Charlie's personality and how she might interact in different situations that weren't shown in the original series. It's really cool to see how different authors imagine her character growing and evolving.