One idea could be that their daughter discovers a new type of Pokemon that no one has ever seen before. She embarks on a journey to learn more about it, just like Ash did in his early days.
A possible plot could be that their daughter finds an old map that leads to a hidden island full of rare Pokemon. She gathers a team of her closest Pokemon friends and sets off on an adventure to explore the island. On the island, she discovers secrets about the origin of certain Pokemon species.
Well, in fanfiction about Ash and Misty's love story, it can be really diverse. One way it's shown is through their constant bickering which is actually a sign of their underlying affection. For example, Misty getting jealous when other girls show interest in Ash. Their love can also be portrayed as something that develops over time as they face challenges together and rely on each other's strengths, like Ash's courage in battles and Misty's knowledge of water - type Pokemon.
In Pokemon fanfiction, a kiss between Ash and Misty can be a very sweet and exciting concept. It could represent a deepening of their relationship that has been building throughout their adventures. Maybe it occurs after a particularly harrowing experience where they realize their true feelings for each other.
In the fanfiction, Misty catches a Pokemon that has a special ability. Ash, being the competitive trainer he is, challenges her to a battle right away. The battle unfolds in a unique location, perhaps near a waterfall. Ash sends out his Charizard, and Misty uses her newly - caught Pokemon. The clash between fire and water - based attacks creates a spectacular scene.
In Rota, there could be a Pokemon - related prophecy. Ash and Misty are somehow at the center of it. They have to figure out what the prophecy means and how it relates to their journey. Along the way, they meet different characters in Rota who either help or hinder them. Their relationship is put to the test as they face difficult decisions based on the prophecy, but in the end, they come out stronger together.
In this fanfiction set in Rota, Ash and Misty might stumble upon an ancient mystery. Maybe there's a legend in Rota about a powerful water - type Pokemon that was once a guardian of the island. Misty, being a water - type Pokemon expert, is immediately intrigued. Ash, of course, is eager to help her uncover the truth. As they explore ruins and talk to the local elders, they grow closer and start to realize their feelings for each other in a new light.
Well, if Misty stayed with Ash, their teamwork in battles could improve a lot. Also, there could be more emotional moments and fun interactions between them. Maybe they'd discover new places and Pok茅mon together.
Misty would probably be shocked at first. After all, she and Ash have been friends for so long. But then she would be overjoyed. She might blush deeply and have tears of happiness in her eyes as she says yes.
In Pokemon fanfiction, the idea of Ash and Dawn having a daughter can lead to many interesting storylines. It could involve their daughter inheriting their love for Pokemon battles. Maybe she'd start her own journey, with Pikachu or one of Dawn's Pokemon as her partner.