One common theme could be friendship that evolves into something more. Riolu might start off with a close male friend in the story, and over time, their relationship deepens into a romantic one. Another theme could be self - discovery. The Riolu character might be exploring his own feelings and identity in a world where Pokémon relationships are not always defined in that way. And also, adventure themes could be present. The two male Riolu or a Riolu and another Pokémon in a gay relationship could go on adventures together, facing challenges and growing closer through those experiences.
I'm not sure about specific 'gay riolu fanfic' as it might be a rather niche area. However, you could try searching on some fanfiction platforms like Archive of Our Own. They have a large collection of various fanfictions and you might be able to find something related to Riolu with the theme you're looking for.
The plot could start with Ash getting Riolu as his starter Pokémon instead of Pikachu. Riolu might be a bit of a troublemaker at first, not fully understanding Ash's commands. But as they journey together, they start to understand each other better.
One common theme is friendship. Riolu often forms strong bonds with Naruto and other characters, just like in the original Naruto series where friendship is a major aspect.
In this kind of 'ash and riolu betrayed fanfic', it might be that Ash and Riolu are in a Pokémon tournament. They meet a new trainer who seems friendly and offers to team up with them. However, during the tournament, this so - called friend betrays them by using underhanded tactics. This could include things like secretly weakening Riolu before a battle or spreading false rumors about Ash to other trainers. As a result, Ash and Riolu not only lose the tournament but also feel deeply hurt and betrayed.
Well, a fanfic with Ash and Riolu as a starter can be really interesting. Riolu has great potential and with Ash as its trainer, there could be a lot of exciting adventures. It might start with Ash finding Riolu in an unexpected place, like a forest or near a stream. Then they'd have to build their bond, which is always a great part of Pokémon stories.
Obviously, Ash and Riolu are the main characters. Ash is a well - known Pokémon trainer, and Riolu is a Pokémon. There might also be other characters who play a role in the betrayal, like the one who betrays them, which could be another trainer or a Pokémon.
One great Riolu fanfic could be 'The Adventures of Riolu in Pokemon Mystery Dungeon'. It really delves into Riolu's character, showing its growth and the challenges it faces in the mystery dungeon world. The author does a wonderful job of creating unique scenarios and interactions with other Pokemon.
First, create interesting characters. Develop Riolu's and Axew's personalities further. For example, give Riolu a bit of a mischievous streak or make Axew extremely curious. Then, set up a captivating plot. It could be a quest to save their Pokémon friends from a powerful enemy. Also, use vivid descriptions of their surroundings, like the green, lush Pokémon habitats they traverse.
The fanfic could also be a tale of rivalry. Riolu and Axew both have their own strengths. They might start off competing for the attention of a trainer or for the best spot in a Pokémon training ground. But as they compete, they come to respect each other's abilities more and more, eventually growing into rivals who also have a deep mutual respect.