There are quite a few out there. 'Ash and Jessie: A Married Bond' is one that stands out. It starts with their wedding and then shows how they deal with the reactions of their friends and former foes. It also has a sub - plot about Ash's Pokemon evolving in a new way due to the positive energy of his married life. And then there's 'The Everlasting Love of Ash and Jessie in Marriage' which is more of a romantic take, with lots of beautiful descriptions of their love for each other and how they keep their relationship strong through various trials.
A common theme is the combination of their two worlds. Ash's world of Pokemon battles and Jessie's world which was mainly focused on Team Rocket's schemes. In fanfiction, they often find ways to merge these two worlds, like having Jessie use her skills from Team Rocket in a more positive way to help Ash in his Pokemon adventures. Another theme is the discovery of new sides of each other. Once they are married, they get to know each other on a deeper level, and stories often show how they are surprised and delighted by these new aspects of their partner.
One popular Ash and Jessie fanfiction is 'When Ash Met Jessie'. It delves into their backstories and how they might have first crossed paths in a more detailed way. It's really interesting to see how the author imagines their initial encounters and how it could have shaped their future interactions. There are also some fanfictions that focus on their Pokémon's reactions to their changing relationship, which adds an extra layer of fun to the stories.
One great 'Jessie and Ash fanfiction' could be the one where they team up for a special Pokémon tournament. In this story, their different skills and personalities create an interesting dynamic as they face various opponents together.
A popular Ash Jessie fanfiction is 'Jessie's Hidden Feelings'. This story explores Jessie's perspective. She has always been an adversary to Ash, but in this fic, she realizes that there's more to Ash than just being her rival. It's a story full of emotional turmoil as she tries to come to terms with her new - found feelings while still being part of Team Rocket.
Fanfiction can also take a more comical approach. Picture Ash and Jessie accidentally swapping bodies or getting stuck in a Pokemon's body. This would lead to all sorts of hilarious misunderstandings and attempts to get back to normal. It would be a fun and light - hearted way to explore their characters in a different context.
There are some. Some might focus on their relationship in an alternate universe where they meet under different circumstances. For example, a story could be set in a world where Pokémon battles are illegal and they have to team up to change that law. Another aspect could be a story that delves into their childhood and how their paths could have crossed earlier than in the original series, creating a unique bond between them.
One great Ash x Jessie fanfiction could be 'The Unexpected Bond'. In this story, Ash and Jessie are forced to work together during a special Pokemon tournament. They start to see each other in a new light as they face various challenges together. Their usual rivalry takes a backseat as they discover common goals and mutual respect.
Ash is usually very positive and determined. In Jessie's body, he might try to bring some of that positivity to Team Rocket, which would be a big change for them. Jessie, on the other hand, is more devious and cunning. In Ash's body, she might be more aggressive in Pokémon battles, using strategies that are a bit more underhanded at first until she realizes that Ash's way also has its merits.
There is also 'Ash and Jessie: A New Bond'. This fanfic delves into how Ash and Jessie could form a friendship outside of their usual rivalries. It shows a different side of their characters and how they can support each other in various situations.
Yes, there are some. You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'pokemon jessie and james married' and you'll likely find a variety of stories with different takes on their married life, from comical adventures to more serious relationship developments.