Another place to check is FanFiction.net. There are many different fandom - related fanfics there. However, the quality can vary, so you may need to sift through a bit. But it's still a good option to explore for William x Ronald fanfic.
Some smaller, more niche fanfic communities or forums dedicated to the source material that William and Ronald are from might also have relevant fanfics. You can search for these communities on Google and then look for the fanfic section within them.
One great fanfic could be 'The Unseen Bond' which delves into the complex relationship between William and Ronald. It shows how their different personalities, William's strictness and Ronald's more laid - back nature, interact in a world full of supernatural events in the Black Butler universe. This fanfic might explore their past encounters and how they came to view each other over time.
A fanfic could be set in a modern high school. William is the new student and Ronald is the popular kid. At first, they don't get along, but when they are paired for a school project, they realize they have more in common than they thought. They end up becoming best friends and helping each other through the ups and downs of high school life.
Some smaller, niche fanfiction communities or forums dedicated to the relevant genre or source material might also have 'erix x ronald fanfiction'. You can search for these communities through Google or other search engines and explore what they have to offer.
You can try searching on some well - known fanfic platforms like Archive of Our Own (AO3). It has a large collection of various fanfics, and you might be able to find some great Grell x William ones there.
Another theme is friendship. Writers often explore how Ronald and William's friendship develops and deepens. They could support each other through tough times, like when one of them is facing a difficult task or a personal problem. It can be really heartwarming to read about their bond.
Growth is also a typical theme. They start from a certain point in their relationship and as the story progresses, they grow both as individuals and as a duo. This can be in terms of emotional maturity, understanding of the world around them, or in their skills. And sometimes, the theme of mystery is added, like they are trying to solve a mystery together which tests their bond.
You can try fanfiction.net. It has a large collection of various fanfictions, and there's a good chance you'll find some undertaker x william ones there.
I'm not sure which specific 'ronald x william fanfiction' you might like. You could try searching on fanfiction websites like Archive of Our Own. There are often various works based on different character pairings there.
Well, 'Journey with William and Ronald' is a fanfiction that focuses on their personal growth while they are on a journey. It shows how they rely on each other and how their relationship evolves during different situations.
The theme of loyalty within the reaper community is also common. In fanfics, they might be faced with situations where their loyalty to their reaper duties or to each other is tested. For example, if there is a conflict between the rules of reaping and their personal feelings towards each other, how do they respond? It makes for an interesting exploration in many fanfics.