One great example could be a crossover with 'Friends'. Imagine Jess meeting the gang at Central Perk. The different personalities would create really interesting interactions. For instance, Jess's quirkiness against Chandler's sarcasm would be hilarious.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfictions, and you're likely to find some great 'New Girl' crossovers there. Just use the search function and type in relevant keywords like 'New Girl crossover' and the name of the other show or franchise you're interested in.
The New Girl characters have very distinct personalities. Jess is the idealistic dreamer, always seeing the best in people and situations. In a crossover with Percy Jackson, this could lead her to trust the wrong characters at times, but also to befriend some of the more misunderstood creatures. Nick's laziness might be a problem when it comes to the physically demanding tasks in the Percy Jackson world, but his loyalty to his friends would shine through. Schmidt's competitiveness could either make him a great ally in battles or cause him to make hasty decisions. And Winston's love for animals could potentially lead him to form an unlikely bond with some of the mythical beasts in the Percy Jackson universe.
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.
Perhaps it's a long - lost relative of one of the existing Order members. For example, a niece of Sirius Black who has just come into her magical powers and is eager to help the cause. She would bring a new dynamic with her connection to an established character.
She could be the daughter of a minor god that hasn't been introduced much in the original Percy Jackson series. For instance, the daughter of Hecate. This would give her powers related to magic, which would be really cool in the context of the story. She could use her magic to help Percy and his friends in battles or to solve some of the mysteries they encounter.
Yes, it is. Red Alert crossover fanfiction combines elements from the Red Alert game with other universes or franchises. It allows fans to create unique stories that wouldn't exist within the original game's canon. For example, a crossover with a science - fiction movie might have Red Alert characters interacting with alien species from that movie.
To write a PLL - Gossip Girl crossover fanfiction, think about the different settings. Rosewood is a small town compared to New York. You could have the Gossip Girl characters visit Rosewood for a change of scenery. Chuck could try to take over some local business in Rosewood and the PLL characters would have to stop him. Meanwhile, the Gossip Girl drama would spill over into Rosewood as the PLL girls get caught up in the love triangles and power struggles of the Upper East Side. The key is to blend the mystery and drama elements from both shows.
You need to stay true to the character of the Dark Magician Girl. Keep her powers, personality, and appearance consistent. When she interacts with the new characters from the crossover universe, make those interactions believable. For instance, if she meets Naruto, how would she react to his boisterous nature? You can also introduce new conflicts that involve both the Dark Magician Girl's world and the crossover world.