Well, one popular place to find such fanfiction is Archive of Our Own (AO3). You can simply search for'makoto x haru x rin' there and explore the various stories available. Some might focus on their friendship, like them training together for a swimming competition and how their different personalities interact during the process.
Another aspect that fanfiction might explore is their future together. Maybe they all go to the same college and continue to be part of the swimming team there. A story could be about how they support each other in their academic and athletic pursuits, and how their relationships evolve over time.
I'm not sure specifically about lemon fanfiction involving them as it often goes against the general family - friendly nature of the original work. However, you can try searching on some fanfiction platforms and look for well - written non - inappropriate stories about their relationships.
I'm not sure of specific titles off the top of my head, but you could also check out fanfiction.net. They have a wide selection of fanfictions as well. Look for stories that explore the relationship dynamics between Rin, Haru, and Makoto in different settings, like during a school festival or a trip together. Maybe a story where they have to overcome a misunderstanding and it deepens their bond.
Swimming is also a big theme. Given that they are all swimmers, many stories will involve them training, competing, or having some kind of revelation related to their swimming careers. For instance, a story could be about how Rin's new training technique inspires Haru and Makoto to improve their own skills.
Friendship is a very common theme. Writers often explore how the deep bond between Rin, Haru, and Makoto affects their lives. For example, they might write about how they support each other through tough times in school or in their swimming careers.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fan - created stories, including those about these characters. Just make sure to filter the content according to your preferences.
They have a complex and evolving friendship. Their interactions shape the story in significant ways.
They have distinct personalities. Rin is determined and competitive, Haru is laid-back but passionate about swimming, and Makoto is reliable and calm.
Lemon fanfiction usually involves adult and sexual themes which are not suitable for promotion. Instead, you could explore general fanfiction about Haru and Makoto. You might find some really heartwarming and beautifully written stories that focus on their friendship, their shared dreams, and how they support each other in different situations.
There are also some fanfiction communities on Reddit. You can post in relevant subreddits asking for 'makoto x haru fight' fanfiction. Usually, fellow fans are very helpful and can point you to some great reads. Maybe there's a story where they fight over a misunderstanding and then resolve it in a really heartwarming way.
One popular 'haru x makoto yaoi fanfiction' is 'Swimming in Love'. It beautifully captures the essence of their relationship with well - written dialogues and emotional depth.