Perhaps a fanfiction about a music competition among Pokemon trainers. Each trainer has a Pokemon that can create a unique melody. The competition not only tests the beauty of the melody but also how it can affect the emotions and powers of other Pokemon in the arena.
One idea could be a story where a Pokemon with a special musical ability is discovered in a hidden forest. The Pokemon's melody has the power to heal other Pokemon. A young trainer then sets out on a journey to protect this Pokemon from those who would misuse its power.
You could write a fanfiction where a legendary Pokemon's melody is the key to unlocking an ancient and powerful artifact. A group of friends, along with their Pokemon, must decipher the melody and face many challenges in order to reach the artifact before an evil organization does.
One idea could be that Melody gets tied up by a group of rogue Pokemon trainers who mistake her for someone else. They realize their mistake later and have to figure out how to make it up to her. Another could be that in a strange Pokemon mystery, Melody is tied up as part of a trap set by an unknown Pokemon, and the other Pokemon characters have to rescue her. A third idea is that it's part of a game or challenge among friends in the Pokemon world where things go wrong and Melody ends up tied up accidentally.
One interesting story could be about Ash and Melody going on a special adventure to find a rare Pokemon. They might face various challenges and bond along the way.
Well, a cool fanfiction concept could be Melody getting lost in a time - warp and ending up in the era when her mother, Ariel, first met Prince Eric. She could then have to figure out how to get back to her own time while also making sure she doesn't accidentally change the course of history. Another possibility is that Melody meets a magical sea creature that gives her the ability to transform into any sea animal at will. She uses this power to protect the ocean from poachers. Also, a fanfiction about Melody having a musical adventure where she discovers new songs that have the power to heal the sick and injured in the ocean world would be interesting.
For Mermaid Melody fanfiction, you could have a plot where a group of mermaids form a band to compete in an underwater music competition. But there's a catch - one of the judges is a sea witch in disguise who wants to steal their voices if they win. Another plot could be about a mermaid who is born with the ability to see the future. She tries to use this power to prevent disasters in the underwater world, but some mermaids are superstitious and think she's a bad omen. Also, a story about a mermaid who swaps bodies with a human girl for a day could be really interesting. She has to navigate the human world while the human girl has to deal with the underwater world.
A Mermaid Melody crossover with My Little Pony could be really fun. Picture the mermaids visiting Equestria and sharing their music with the ponies. They could learn about friendship in a whole new way. Also, a crossover with Studio Ghibli's Ponyo would be interesting. Since both are about underwater beings, they could have a story about protecting the ocean together and exploring different parts of the sea.
Another plot could be centered around a baby mermaid getting lost. The other mermaid babies then embark on an adventure to find their friend, encountering various challenges along the way like dangerous currents and unfriendly sea monsters. This could also be a chance for them to learn about teamwork and friendship.
One idea could be that Melody discovers a hidden underwater kingdom that was lost long ago. She could be on a quest to find a magical item there that can help protect the mermaid world from a new threat.
One idea could be an OC who has a unique power that disrupts the normal mermaid song magic. For example, instead of harmonizing, their song creates chaotic waves. Another could be an OC mermaid from a far - off, undiscovered ocean realm who comes to the known mermaid world and has to adapt to different cultural aspects of mermaid song. A third idea is an OC who is half - human, half - mermaid and struggles to find their place in both worlds while also having a special ability related to their mixed heritage and mermaid melodies.
Well, a plot idea might be that Melody is kidnapped by a group of mermaids from a far - off ocean. These mermaids think Melody has special powers that can help them save their dying reef. So, Melody has to figure out a way to either convince them she doesn't or actually find a way to help them. Also, perhaps Melody finds a magical object that gives her the ability to talk to sea animals in a different way, like she can understand their ancient languages. This could lead her on a quest to find the origin of this magic and how it can be used for good in the ocean world. Another one could be that Melody is cursed by an evil sea witch who wants to take over Atlantica through her. Melody has to break the curse while also protecting her family and kingdom.
One idea could be a hybrid of Pikachu and Eevee. This hybrid could have the cute appearance of both, with Pikachu's lightning - based powers combined with Eevee's ability to evolve into different forms. It could be a central character in a story where it's trying to find its place in the Pokemon world, being different from the normal Pokemon.