One common theme is friendship. They often start as comrades in the Demon Slayer Corps and develop a deep friendship. For example, they support each other in battles.
One idea could be a story where they are forced to team up on a dangerous mission in the demon slayer world. They start off not getting along well due to their different personalities, but as they face challenges together, they gradually understand and respect each other more.
Some dedicated Demon Slayer fan forums might also have fanfics or links to them. These forums often have sections where fans can share their own creative works, so it's worth checking them out for some unique Tomioka x Shinobu fanfic finds.
Sure. One popular tanjiro x tomioka fanfic is 'The Bond Beyond the Demon Slayer Corps'. It focuses on their adventures together and how their relationship deepens over time.