One plot idea could be that Ash and Aipom enter a mysterious forest where Aipom discovers a new type of berry that gives Pokémon special powers. Ash then has to protect Aipom from other Pokémon who want the berries for themselves.
Maybe Aipom gets lost in a big city while on an adventure with Ash. Ash has to search through the city, facing various challenges like dealing with mean Pokémon gangs, to find Aipom. Along the way, they both learn about the importance of always staying together.
Perhaps in the fanfiction, Cynthia could be mentoring Ash in some advanced Pokemon battling techniques. Ash, being eager to learn, follows her guidance and in the process, they develop a deeper bond. This could lead to them exploring new regions together in search of rare Pokemon for training.
One idea could be that they are dancing at a Pokémon festival. As they dance, they remember all their adventures together, and it makes their dance more passionate. The Pokémon around them also start to move in sync, creating a magical atmosphere.
One plot idea could be that Ash, May and Manaphy embark on a journey to find a rare and powerful crystal that can heal sick Pokémon. Along the way, they face various challenges like difficult terrains and wild Pokémon battles. May could use her knowledge of Pokémon contests to solve some problems, while Ash uses his battle skills. Manaphy's unique powers might be needed to unlock the secrets of the crystal's location.
One plot idea could be Ash and Iris teaming up to face a new, powerful and mysterious Pokemon threat that no one else can handle. They travel through different regions, strengthening their bond along the way.
A great plot could involve Ash competing in a local Alola tournament that has some really strange and unique rules. This would force him to think outside the box and use different battle strategies. He might also make some new friends or rivals during this tournament who have their own interesting stories and Pokémon.
One interesting plot idea could be that Ash and Sakura team up to enter a special Pokemon tournament that features rare and powerful Pokemon. They have to train hard together, with Sakura's knowledge of different Pokemon types and Ash's battle experience combining to give them an edge.
One idea could be that Ash catches Zoroark in a unique way. Maybe Zoroark is disguised as a Pokémon that Ash has been longing to catch for a long time. When Ash discovers the truth, instead of being angry, he is intrigued by Zoroark's intelligence and uses his own skills and the bond with his other Pokémon to earn Zoroark's trust and catch it.
A possible plot is that Ash is on a journey to a mysterious place that is said to be Mewtwo's lair. Along the way, he meets various Pokémon and trainers who have either had encounters with Mewtwo or know something about it. When he finally reaches Mewtwo, Ash doesn't try to capture it forcefully. Instead, he shows Mewtwo the beauty of the Pokémon world and the relationships between different Pokémon and trainers. This makes Mewtwo intrigued and willing to be captured by Ash.
One plot idea could be that Ash is on a journey in a mysterious forest and suddenly stumbles upon Mew. Mew, being curious about Ash's kind heart, decides to follow him on his Pokémon journey for a while. Another could be that Ash is in a dream world where he meets Mew, and Mew shows him the potential of his Pokémon in new and exciting ways. For example, Mew could transform into different Pokémon forms that Ash has always dreamed of seeing. A third idea is that Mew is injured and Ash finds it. Ash then has to protect Mew from other Pokémon or humans who might want to capture it while also trying to heal it with the help of his Pokémon friends.
Another plot could be set in a world where a strange phenomenon is affecting Pokémon. Ash and Cynthia join forces to investigate. Along the way, they discover a new type of Pokémon evolution that has been hidden for centuries. As they work together, they start to develop a deep friendship that might turn into something more.