A Pokemon Oshawott and Snivy fanfiction could explore their relationship with their trainers. Imagine Oshawott and Snivy having different training styles. Oshawott loves hands - on practice, while Snivy prefers more strategic planning. Their trainers have to find a balance to help them grow stronger. This could lead to some interesting conflicts and resolutions within the story.
In a Pokemon Oshawott and Snivy fanfiction, perhaps they could be part of a special team. They might start as rivals but gradually become friends. For example, they could compete in a local Pokemon tournament where they learn about each other's strengths and weaknesses, and in the end, they combine their skills to defeat a powerful opponent.