A third possible storyline is that they get lost in an unknown region. They would have to rely on each other's skills and the abilities of their Pokemon to find their way out. Along the way, they could learn more about each other and form new friendships or rivalries. Ash might be more impulsive in trying to find a way out, while Gary could use his knowledge to analyze the situation. Red and Green might have some old - fashioned wisdom to contribute as well.
In the fanfiction, they could also form a team to face a common enemy. There might be a powerful and evil Pokemon trainer or a new threat to the Pokemon world. By joining forces, they could use their combined skills and the unique abilities of their Pokemon to protect the world.
One possible storyline is that they meet while investigating a strange phenomenon in the Pokémon world. They join forces to figure out what's going on and end up uncovering a plot by an evil team. Another could be that Misty has become a Pokémon trainer herself and challenges Ash to a battle when they meet. Or they could meet at a Pokémon sanctuary where they both have the same goal of helping injured Pokémon.
One possible plotline could be that it's set in an alternate universe where some magic or strange phenomenon causes them to become pregnant. Another could be a scientific experiment gone wrong scenario. But these are just wild speculations as such a concept is very far - fetched from the original Pokemon concept.
One possible theme is the transformation of a rivalry into something deeper. Gary and Ash were rivals, but in this fanfiction, it could be about how that rivalry can turn into love or a very strong friendship. Another theme might be self - discovery. Gary might be on a journey of realizing his true feelings for Ash.
One possible theme could be identity. Ash, now as a girl, would have to re - evaluate who he/she is. Another theme might be relationships. His/her relationships with Gary and other characters would likely change in interesting ways.
Ash and Gary in Alola fanfiction often have their characters developed further. Ash's growth in the Alola region can be contrasted with Gary's development. Sometimes, fanfiction writers use this setting to explore their past rivalries in a new light, perhaps leading to a more friendly and collaborative relationship. The Alola backdrop provides a fresh and colorful canvas for their adventures.
One possible storyline could be that Ash and Erika are on a journey to find a rare Pokémon that is said to have special powers. Along the way, they face various challenges like rough terrains and other trainers. Another could be that they are traveling to a Pokémon tournament together and during their travels, they help each other improve their Pokémon's skills.
A possible storyline could be that Misty and Serena accidentally find out about each other's feelings for Ash. So, they start a friendly competition where they try to do things that would make Ash notice them more. For example, Serena might practice harder for her Pokémon performances, and Misty could train her Pokémon to be even stronger to impress Ash.
One possible storyline could be Ash and his Greninja. They could go on a special mission to save a group of Pokémon from a natural disaster. Along the way, Greninja and Ash have to rely on each other's skills and instincts, strengthening their bond. Another could be Ash and his male Snorlax. Snorlax gets sick, and Ash has to find a rare herb to cure it, going through many challenges in the process.
One possible storyline could be that Meowth helps Ash find a rare Pokémon. Since Meowth has his own network among Pokémon, he might hear rumors about a very special Pokémon. He then takes Ash to the location, and they have an epic adventure trying to catch it. Another storyline could be that Meowth and Ash team up to take down a new evil organization that's causing trouble in the Pokémon world.