One plot idea could be that Ash and Lusamine team up to save a group of endangered Pokemon. Ash's battle skills and Lusamine's knowledge of Pokemon could be combined to face the threats.
Perhaps a fanfiction where Lusamine's past experiences with Ultra Beasts lead her to seek Ash's help. Ash, with his unique bond with Pokemon, could assist her in finding a way to better understand and coexist with these mysterious creatures. This could involve a lot of character development for Lusamine as she learns from Ash's positive and empathetic approach to Pokemon.
One plot idea could be Ash and Lusamine teaming up to save a rare and endangered Pokemon species. They might face off against an evil organization that wants to capture these Pokemon for their own dark purposes. Another could be a story where Lusamine, who is usually so in control, loses her memory and Ash has to help her regain it while also protecting her from those who might take advantage of her vulnerable state.
Fanfiction about Ash and Lusamine might explore different aspects of their personalities. Ash's kindness and his goal to be a Pokemon Master could interact with Lusamine's more complex character. For example, Lusamine has her own backstory and motives in the official Pokemon lore, and in fanfiction, she could have a character arc that is influenced by her interactions with Ash. This could lead to stories that are full of emotion, growth, and discovery.
Their relationship could start with mutual respect. Ash respects Lusamine's knowledge of Pokemon and her role in the Aether Foundation, while Lusamine is intrigued by Ash's unique connection with Pokemon. As they work together on various Pokemon - related tasks, like rescuing captured Pokemon or exploring new areas, they grow closer.
One interesting storyline could be Ash and Lusamine teaming up to save a rare and powerful Pokemon that is being hunted by an evil organization. Their combined skills and knowledge would make for an exciting adventure.
One plot idea could be them training a new and rare Pokemon together as a married couple. Another could be them hosting a Pokemon tournament in their hometown.
One plot idea could be that Ash and Chikorita form a special bond during their adventures. Other Pokemon, attracted by Ash's kindness and Chikorita's unique charm, start to gather around them, creating a harem - like situation. They then go on to face various challenges together as a group.
A plot could be that Johanna has a unique Pokemon with a special ability that Ash needs to help with a big problem he's facing. As they work together to solve the issue, they start to have feelings for each other. There could be sub - plots like dealing with other trainers who are jealous of their partnership or trying to steal the special Pokemon. Their journey could also involve exploring ancient Pokemon ruins and uncovering secrets that further strengthen their bond.
Their relationship could start with mutual respect for each other's skills in handling Pokemon. Ash's battle experience and Lusamine's knowledge of Pokemon in her region could be the foundation.
In this fanfiction, if Ash turns into a pokemon, perhaps he becomes a Charmander. He could struggle with being in a different form. He might have to adapt to the life of a fire - type pokemon, facing challenges like being weak against water - type attacks and trying to find a way to change back while still having adventures with his friends, who now have to protect him in a different way.