Perhaps in the fanfiction, there's a threat to the Pokemon world. Ash and May team up to face it. During their adventure, they rely on each other, share their hopes and fears. This mutual understanding and support lead them to a realization of their love for one another. And in the end, they plan to get married to build a future together in the Pokemon world.
In certain fanfiction stories, Ash could faint as a result of a psychological shock. Imagine if he discovers that one of his beloved Pokemon has been mind - controlled by an evil organization. The sheer horror and disbelief could be so overwhelming that he faints. Additionally, he might be caught in a powerful psychic attack from a very strong psychic - type Pokemon that not only weakens his physical state but also his mental state, leading to his fainting.
One possible scenario could be that Ash betrays May for a powerful Pokemon. Maybe he gets offered a super rare and strong Pokemon but has to cut ties with May to get it. Another could be that May betrays Ash because she is influenced by a rival trainer who convinces her that Ash is holding her back from reaching her true potential as a Pokemon trainer.
One possible scenario could be that all their Pokémon friends are part of the wedding. Pikachu might be the ring - bearer, with little ribbons on its ears. Another scenario is that they have the wedding on a beach near a Pokémon Center. Ash could be wearing a traditional tuxedo, and Misty in a beautiful white dress with a water - type Pokémon motif.
One possible scenario could be that Ash and Serena are at a Pokemon festival. The music starts and they begin to dance. Ash, who is usually more focused on Pokemon battles, is a bit clumsy at first but Serena guides him. As they dance, their Pokemon join in the fun, creating a lively and heartwarming scene.
Pikachu is a very likely candidate. It's Ash's most iconic Pokemon and has a deep bond with him. Whenever Ash is in trouble, Pikachu often steps up to protect him.
One possible scenario could be that they are preparing for a Pokemon-themed party. Ash might choose to dress up as his favorite powerful Pokemon like Charizard, with a cool red and orange costume and wings. Lillie could go for a more elegant look, perhaps dressing as a fairy - type Pokemon like Sylveon, with a pink and white frilly dress. They would have a great time showing off their outfits to their Pokemon friends.
One common scenario is that Ash is too sick to continue his journey, so his Pokémon have to fend for themselves and protect him. Another could be that a local Pokémon doctor or healer is sought to cure Ash. Maybe some friendly Pokémon in the area offer their help as well.
One common scenario is when Ash helps Jessie in a difficult situation. For example, if she is injured during a battle and Ash shows great care for her. Another is when they are forced to work together towards a common goal, like saving a group of Pokemon. During this time, Jessie might start to see Ash in a new light.
In the fanfiction, it could be interesting if Ash and Lana participate in a Pokemon tournament as a married couple. They have to compete against other strong couples. This would show how their relationship has an impact on their battling skills. They might develop new strategies that are based on their trust and understanding of each other. And in between battles, they have cute moments of supporting each other and sharing their thoughts about the competition.
One scenario could be that Wendy's Pokemon was stolen by a villain. This would be a very distressing situation for her as she would be worried about the safety and well - being of her Pokemon.