A possible plot could involve the characters from both series swapping their worlds. So, the Fruits Basket characters end up in the Victorian - era setting of Black Butler. Tohru Honda might be mistaken for a servant in the Phantomhive household. Her kind nature could either be a source of confusion or a way to bring some warmth to the often - dark and brooding environment. And Sebastian might be intrigued by the Sohma curse, seeing it as an interesting oddity in his long existence.
The characters would have some really interesting interactions. For example, Sebastian would likely be polite yet calculating when dealing with the Sohma family. He might see them as an interesting study, especially those with the animal curse. Tohru, being her kind self, would probably try to befriend Ciel and the others. However, Ciel might be initially suspicious of her overly - nice demeanor, as he's used to a world full of deception.
One idea could be to have the characters from 'House' end up in the world of 'Fruits Basket'. Maybe House could try to diagnose the curse that plagues the Sohma family. His rational and often brusque approach would clash with the more emotional and superstitious aspects of the 'Fruits Basket' world.
When starting to write, don't be afraid to experiment with the characters' voices. House has his very sarcastic and cynical way of speaking, while characters in 'Fruits Basket' like Tohru are very sweet and positive. Let these voices play off each other. For instance, House might make a snarky comment about the Sohma curse, and Tohru could respond with her usual kindness and attempt to make him see the good in the situation. This kind of interaction can create interesting dynamics in your fanfiction.
Well, it could be really interesting. Maybe Naruto characters could end up in the world of Fruits Basket. Naruto might be confused by the Sohma family curse at first. He'd probably try to use his ninja skills to solve the problems there. For example, he could use his shadow clone jutsu to help out in various tasks around the Sohma house.
One interesting storyline could be Inuyasha ending up in the world of Fruits Basket. He might initially be confused by the strange curse and the family dynamics. For example, he could mistake the Sohma's transformation for some kind of demon magic he doesn't understand. His brash nature might clash with some of the more reserved Fruits Basket characters like Yuki, leading to some humorous and tense situations as they try to figure out how to send Inuyasha back to his own world.
Well, it could be really interesting. Maybe the characters from Inuyasha end up in the world of Fruits Basket. Inuyasha might be confused by all the Sohma family secrets and the whole curse thing. And the Fruits Basket characters could be scared of Inuyasha at first with his demon side. But then they could learn from each other. For example, Tohru could teach Inuyasha about kindness and acceptance in a different way than Kagome does. And Inuyasha could show the Fruits Basket characters how to be brave in the face of danger.
Well, it could be really interesting. Maybe the characters from Harry Potter could visit the Sohma family in the Fruits Basket world. Harry could be shocked by the curse of the Sohma family and try to find a magical solution to break it. Hermione would be busy researching about the unique situation in Fruits Basket using the library in Hogwarts. Ron might be a bit clueless at first but would gradually get involved in the strange happenings.
One possible scenario in a Fruits Basket reader insert fanfiction could be the reader being a new student at the school. They accidentally stumble upon the Sohma family's secret and instead of being scared off, they offer their friendship and support to the cursed members. This could lead to a heartwarming story of acceptance and love, as the reader helps the Sohmas deal with their insecurities and the challenges that come with their curse.
I think Naruto himself would be really interesting. His boisterous personality and determination would be a great contrast to the more reserved characters in Fruits Basket. He would bring a lot of energy and his can - do attitude into the Fruits Basket world.