Perhaps there's a parallel universe where the Twilight world and the Pitch Perfect world collide. In this universe, the characters from both stories start to swap abilities. The Bellas find themselves with vampire - like strength and speed, while the Cullens develop an uncanny ability to sing in perfect harmony. Bella and Fat Amy become friends and try to figure out how to get their respective worlds back to normal while also using their newfound combined skills to put on the best a cappella show ever.
A crossover with 'High School Musical' would also be cool. Picture the Pitch Perfect girls and guys going to the same school as the High School Musical characters. There could be a big musical showdown where the two groups have to combine their talents. The Pitch Perfect crew's edgy acapella style might clash and then blend with the more traditional musical theater style of High School Musical, leading to an amazing performance.
One common theme is friendship. Just like in the original works, in the fanfiction, characters form strong bonds. For example, a character from Twilight might become friends with someone from Pitch Perfect and they support each other through various challenges.
In this fanfiction, it could also be that Becca's pregnancy is a secret at first. She tries to hide it from the group because she's afraid of being kicked out or judged. As she struggles to keep it hidden, she starts to form a closer bond with another female character who suspects something and offers her support in a really touching way. Eventually, when the truth comes out, the group has to decide whether to keep her in the group or not, but in the end, they all realize that her talent and determination are more important than her pregnancy status.
Fat Amy and Emmett would be a hilarious pairing. Fat Amy's over - the - top and fearless personality combined with Emmett's big - hearted and strong - willed nature. They could get into all sorts of comical situations. Maybe they start a side - project within the a cappella group or in the vampire world. Fat Amy could make Emmett laugh like no one else, and Emmett could protect Fat Amy from any threats, whether it's from jealous vampires or rival a cappella groups.
One idea could be a singing competition where the groups from both 'Pitch Perfect' and 'Glee' participate. They could start off as rivals, but then gradually learn from each other's styles. For example, the Barden Bellas could teach the New Directions some of their a cappella arrangements, while the New Directions could introduce more pop and show - tune elements to the Bellas.
A Pitch Perfect Twilight fanfiction could also involve a love story between characters from both. Picture Jesse from Pitch Perfect falling in love with Alice from Twilight. Their relationship would be a strange mix of musical passion from Jesse's side and the otherworldly knowledge and powers from Alice's side. Fanfiction writers often play with these crossovers to create unique and engaging stories.
One possible plot could be that Inuyasha somehow gets transported to the Twilight world. He might initially be confused by the modern settings and the presence of vampires and werewolves. Bella could mistake him for a new type of supernatural being. And Inuyasha, with his sword and combat skills, could get involved in the ongoing feud between the Cullens and the werewolves in Forks.
Perhaps the mummy has a power that can affect vampires in some way, like weakening their abilities. In this Twilight and the Mummy crossover fanfiction, the Cullens could team up with some mummy - hunters to find a way to neutralize this threat. They might have to travel to ancient tombs and decipher hieroglyphics to find a solution, all while dealing with other vampires or supernatural beings who want to use the mummy's power for themselves.
Perhaps it's a story where a human is the perfect match for a werewolf. In the Twilight universe, werewolves have their own complex relationships. This human could be someone who understands the werewolf's dual nature better than anyone else. They might start off as friends, but as the story progresses, it becomes clear that they are meant to be together. For example, they could bond over their love for the forest around Forks.
A possible fanfic could be about Beca and Jesse collaborating on a new music project. Since they both have different skills in the music field, their combined efforts could lead to an amazing new sound. They might face some challenges along the way, like creative differences, but in the end, they create a hit song together.