One idea could be exploring the backstories of the characters in more depth. Maybe there are hidden pasts that influence their actions in the 'gloaming glee' world.
Another interesting plot could be centered around a mystery within the 'gloaming glee' universe. For example, a long - lost artifact or a forgotten prophecy that the characters need to uncover and understand, which could change the course of their world.
Perhaps a plot where the characters have to face a new, unexpected threat that challenges their relationships and their place in the 'gloaming glee' setting. This could involve a new character with different motives entering the story.
One idea could be that the original Glee club members reunite to put on a charity show. They face old rivalries resurfacing but also rediscover their love for performing together. Maybe some of them have become big stars and some are still struggling, and they learn from each other's experiences.
There might also be characters that are minor in the original but become more prominent in the fanfiction. They could be given more complex personalities and important roles in the 'gloaming glee' story.
One idea could be that a character gains a special musical power after being struck by lightning during a glee club rehearsal. They can then use this power to create amazing performances and inspire the whole club.
A plot could involve a character from Glee accidentally stumbling into the Starkid universe. For example, Rachel Berry could find herself in the middle of a Starkid rehearsal. She might initially be confused but then realizes she can learn a lot from their unique style of performing. This could lead to a series of comical and heartwarming interactions as she tries to fit in and contribute to their shows.
A really cool idea for a fanfiction could be that Rachel and Finn swap personalities for a day. Finn suddenly becomes super - focused on his Broadway dreams like Rachel, and Rachel has to deal with Finn's more laid - back attitude towards things. It would be a humorous and also a great way to explore their relationship from a different perspective.
One plot could be about Artie and Quinn helping each other through college applications. Since they both have different strengths, they could support one another in achieving their academic dreams.
One plot idea could be that the Shadowhunters need to find a way to defeat a powerful demon that can only be weakened by a special type of music. So they seek out the Glee club. The Glee club members are hesitant at first but then realize the importance of their role. Another idea is that a spell gone wrong in the Shadowhunters' world sends some of their key characters to the Glee club's world. There, they have to adapt to high school life while also trying to find a way back. And the Glee club helps them blend in and in return, they learn about the Shadow World.
One plot idea could be Quinn and Joe collaborating on a musical project for Glee club. They might have different styles at first, but as they work together, they learn from each other and grow closer.
One idea could be a singing competition between the Glee club and the students from Victorious. They could meet at a national music event and initially be rivals, but then start to collaborate and learn from each other's styles. For example, the Glee club could teach the Victorious crew about more traditional musical theater numbers, while the Victorious students could introduce the Glee club to more modern pop and hip - hop influenced performances.
One idea could be the challenges they face as new parents. Maybe Will struggles to balance his teaching job with being a father while Emma is overly cautious about the baby's every move. Another could be a story where they discover an unexpected talent in their baby that somehow ties into the glee club. For example, the baby has an amazing ear for music.