One idea could be a time - travel plot. The main character accidentally travels back in time to the era when the drama was set and gets involved in the story in unexpected ways. For example, they might change some key events and thus change the relationships between the characters in the drama.
A love triangle plot would also be great. Suppose a new character is accidentally in love with one of the main characters in the 'Accidentally in Love' drama, but that main character is already in a relationship. This would create a lot of tension and drama.
One idea could be that the two characters accidentally end up sharing a vacation rental. They initially bicker but gradually fall in love as they discover shared interests. For example, they both love hiking and explore the local trails together, leading to deeper conversations.
Another plot could be that Veronica is on a trip outside of Neptune and accidentally meets someone from her past that she had a crush on when she was younger. They reconnect and start to fall in love all over again, but there are obstacles in the form of long - distance and the secrets they both carry from their pasts.
One plot idea could be that Naruto and the Total Drama cast end up in a shared, strange new world. They have to compete in challenges that combine ninja skills with Total Drama - style tasks. For example, a race where they have to use both parkour and ninjutsu.
One idea could be a role - reversal plot. Instead of the usual power struggles between Kaguya and Miyuki, have them switch personalities for a day. It would be hilarious to see Kaguya being overly confident and forward, while Miyuki is shy and hesitant.
One idea could be that the two fated lovers are from different worlds, like one is a human and the other is a supernatural being. They meet by chance in a strange situation and start to feel an unexplainable pull towards each other.
One idea could be exploring the backstories of the characters in more depth. Maybe a character has a past trauma related to love that makes them act the way they do in the original story. Another could be a 'what if' scenario, like what if two characters who were enemies in the original fell in love in the fanfic.
A third idea is a crossover where the Total Drama characters are invited to the Hidden Leaf Village for a special international competition. The culture shock for both groups would be huge. The Total Drama crew would be amazed by the ninja techniques and the Hidden Leaf villagers would be both amused and confused by the over - the - top personalities of the Total Drama cast. There could be a lot of comical misunderstandings and some great team - up moments between characters from both universes.
One idea could be a redemption arc for a previously disliked character. Maybe they team up with an unexpected ally and prove themselves in a series of challenges that are different from the ones in the show, like underwater maze races. Another could be a love triangle between three of the all - star contestants that causes drama both on and off the challenge field.
One idea could be an OC who is a master of disguise and uses this skill to outwit the other contestants in various challenges. For example, they could pretend to be injured to avoid a particularly difficult task, only to surprise everyone by winning the next one. Another plot could involve an OC with a unique phobia that gets triggered during a challenge, and they have to overcome it to stay in the game. Maybe they're afraid of heights and there's a zipline challenge. A third idea is an OC who has a secret alliance with a villainous character from the show, and they work together to manipulate the other contestants.
One idea could be a time - travel fanfic where a character goes back in time to the first season and tries to change the outcome of certain challenges. Another idea is a crossover fanfic with another popular animated show, like having Total Drama characters interact with those from Adventure Time. Or you could write a fanfic that focuses on the backstories of the less - explored characters, like giving more details about Ezekiel's life before the show.