Another idea is that Ash returns to Iris's region and discovers that Iris has been having trouble with a group of poachers. Ash helps her out, and during their adventure, they find a rare Pokemon that has a special connection to both of them. This could lead to exploring their past memories and growing closer.
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.
Perhaps there could be a plot where Iris decides to enter a major Pokemon tournament outside her region. Ash offers to be her trainer for a while to help her prepare. During this time, they learn new training techniques from each other and also have to deal with some rivals who try to disrupt their training.
One idea could be Ash facing a new, extremely powerful and mysterious Pokémon in the Kalos region that no one has ever seen before. This Pokémon could be the key to a hidden power within the Kalos champion title. Another plot could involve Ash having to team up with a former rival from his past travels to overcome a threat to the Kalos Pokémon ecosystem. Maybe there's a dark organization trying to disrupt the balance, and Ash's unique bond with his Pokémon is what's needed to stop them.
One interesting plot idea could be that Ash and Iris get lost in a mysterious forest while on a journey. They encounter a rare and powerful Pokemon that is sick. Together, they have to find a way to heal it using Iris's knowledge of Pokemon care and Ash's determination. Another could be a story where they participate in a unique Pokemon contest that involves solving puzzles and battling in a new style, and their relationship grows stronger through the challenges.
One plot idea could be Ash facing a new and powerful villain who has a vendetta against all the previous Kanto champions. This villain could be trying to rewrite the history of the Kanto region's Pokémon battles. Another idea is Ash having to defend his champion title against trainers from other regions who believe he doesn't deserve it because he's from a relatively small town. A third plot could involve Ash finding a rare and mysterious Pokémon in Kanto that has the power to either greatly enhance his team or put them in great danger, and he has to figure out how to handle it while still being the champion.
The plot needs to be engaging. It could involve unique Pokemon battles, like battles in unusual terrains or with special rules. This would keep readers interested as they follow Ash and Iris through these challenges.
One idea could be Ash facing off against old rivals who are jealous of his new Kalos champion status. They challenge him in unique battles that test his skills in new ways.
Well, perhaps Iris is hypnotized during a Pokemon contest. She starts to act out of character, making strange commands to her Pokemon. This could lead to her Pokemon being confused at first, but then they try to break the hypnosis by using their strong bond with her. Another plot might involve an ancient artifact that hypnotizes Iris and transports her to a different dimension where she has to find a way to break free and return to her own world, all while dealing with strange and powerful Pokemon in that other dimension.
Well, in an 'ash unknown champion' fanfiction, the plot might involve Ash getting lost in a mysterious region. There, he stumbles upon an unknown champion who is facing some sort of problem, like a group of poachers targeting their rare Pokémon. Ash decides to help the champion, and in the process, they exchange their Pokémon training techniques. As they work together, Ash realizes that there are so many new ways to approach Pokémon battles that he hadn't known before.
In general, Ash is often depicted as his adventurous and determined self. He might be shown as being a bit naive at times. Iris, on the other hand, is usually portrayed as strong - willed and feisty. However, it's important to note that spank fanfiction is not a typical or widely - accepted form of fanfiction and may contain elements that are not in line with the original characters' personalities in a more official sense.
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.
Another plot could be that they both end up in a mysterious new region. They have to rely on each other to survive in this unknown place. As they explore, they discover new things about themselves and their relationship. Ash might show his protective side towards Iris more often, and Iris might start to open up about her past and her feelings for Ash in a more profound way, which gradually develops into a romantic relationship.