Well, perhaps it could start with Latios and Latias being separated due to some kind of natural disaster in their region. Latias gets trapped in a different area. Latios then has to search for her. Along the way, he meets various Pokémon who help or hinder him. Meanwhile, Latias is also trying to find her way back to their usual place. When they finally find each other, they realize how much they mean to each other and vow to never be separated again.
One possible plot could be that Latios and Latias live in a hidden sanctuary. They've always been close, protecting their home together. One day, a powerful trainer discovers their place. Latios tries to lead the trainer away while Latias stays to guard. But Latios gets injured. Latias then goes on a journey to find a special herb to heal him, facing many challenges along the way. In the end, she finds the herb and saves Latios, and their bond grows even stronger.
Perhaps in this fanfiction, Ash goes to the town in search of a rare Pokemon item. But when he arrives, he discovers that Latias and Latios are in trouble because of some evil forces. So, Ash decides to help them out. He uses his battle skills and knowledge of Pokemon to fight against these forces. Along the way, he also learns about the unique culture and traditions of the town.
The unique relationship between Latios and Latias is what makes the fanfiction interesting. They are both very mysterious and powerful Pokémon. Their bond in the Pokémon world can be explored in many different ways in fanfiction, which is fascinating.
One possible plot twist could be that Latios and Latias are actually under the control of a more powerful and evil Pokémon. Ash initially thinks he's caught them to protect them, but then discovers he has to fight against the real threat that has been manipulating them all along.
Latios and Latias are very interesting Pokémon in fanfiction. In lemon fanfiction, often their unique psychic and flying abilities might be incorporated in creative ways. For example, they could use their powers to create a special, dream - like setting for a story. However, such fanfictions also need to be in line with the general lore of the Pokémon world to seem believable.
There are many out there. Some fanfics might explore a scenario where latios and latias have to overcome differences in their personalities to fully embrace their love. Maybe latios is more adventurous and latias is a bit more cautious, and the fanfic could show how they work through that. It could also be interesting to see how they interact with other Pokémon in the context of their love story, like how they might be protective of their relationship in front of other Pokémon or how other Pokémon might play matchmaker for them.
Through shared adventures. For instance, if they get lost in a mysterious forest together. Ash would rely on Latios or Latias's ability to sense their surroundings and they would grow closer as they face the challenges of finding their way out. It could be as simple as Ash sharing his food with them during this time, showing kindness.
One common theme is the exploration of their unique bond. Since they are siblings in the Pokémon world, fanfictions might delve into how this bond can be both platonic and have hints of something more in a romantic or emotional sense.
A good plot. It should have an interesting story that involves Ash, Latias, and Latios in a meaningful way. Maybe it could be about their adventures together, or a special bond that forms between them.
One idea could be that Ash forms a special bond with Latios and Latias while on a journey in a new region. They help him discover a hidden power within himself. For example, Latios might be able to sense when Ash is about to make a wrong move in a battle and communicate it to him telepathically.
You can try fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms have a large collection of fan - made stories, and you might be able to find some great Latios and Latias love fanfiction there.