One interesting fanfiction could be where they go on an adventure together. Maybe they explore an old, mysterious part of the town that holds some secrets from the past. They could encounter various challenges along the way and help each other out, deepening their bond in the process.
Some Tumblr blogs might also have Saika Totsuka x Hachiman fanfictions. There are many fandom - specific blogs that share and recommend fanfictions. You can search for relevant tags or ask in the fandom community on Tumblr to find these blogs.
One common theme is acceptance. They come from different backgrounds and have different personalities, so accepting each other for who they are is important. Also, the theme of loyalty often shows up. They support each other through various situations in the fanfics.
One of the main themes could be the contrast between their personalities. Hachiman's cynical nature and Totsuka's more positive and friendly nature can create interesting dynamics. This contrast can lead to themes like acceptance, where they learn to accept each other's flaws and differences. Additionally, themes related to the world they inhabit, such as school life and social interactions, can be incorporated into the fanfics as a backdrop to their relationship.
I'm not sure specifically which 'hachiman x totsuka fanfic' is the best. You could try searching on some popular fanfic platforms like Archive of Our Own. There might be a variety of works there that could satisfy your interest.
Another theme could be the high - school backdrop. Since they are often associated with a high - school setting in their original source material, fanfictions might focus on the typical high - school experiences like school festivals, exams, and peer pressure, and how their relationship is affected by these elements. It could be that they support each other through these challenges and their bond grows stronger as a result.
Some fanfictions focus on his relationships. For instance, a story could explore a deeper connection between him and Yukino. It might show their relationship evolving in a more romantic and intense way, with them sharing their innermost thoughts and feelings.
One common theme is self - discovery. Just like the original male Hachiman, the female version often goes through a journey of understanding herself better. Another theme is friendship. Since she is different from the male counterpart, seeing how she forms and maintains friendships is a big part of these fanfictions.
You can start by looking on fanfiction.net. It has a large collection of fanfictions related to various anime and manga characters, including hikigaya hachiman. There are different categories and filters you can use to find the ones that interest you.