One idea could be a story where Hungary and Prussia are forced to work together on a diplomatic mission. Along the way, they start to understand each other's cultures better and develop a grudging respect that slowly turns into friendship and perhaps more. For example, Prussia could introduce Hungary to some of his military strategies, and Hungary could share her knowledge of local customs. This could create a unique dynamic as they both have strong personalities.
One idea could be Prussia as a girl trying to break into the typically male - dominated military world in the Hetalia universe. She could face challenges and prejudices but also prove herself to be just as capable as the male characters.
Their language differences can be a big part. Prussia with his German - influenced language and Hungary with her unique Magyar language. For example, they could have misunderstandings at first because of misinterpreted words or phrases. Also, their fashion sense is different. Prussia might be more into military - style clothing, while Hungary has her traditional folk dresses. This contrast can be shown when they attend an event together, with Prussia looking all formal in his military uniform and Hungary standing out in her colorful dress.
One common theme is cultural exchange. Prussia and Hungary have different cultures, and in fanfictions, they often explore each other's traditions, like Prussia introducing Hungarian to his military strategies or Hungary showing Prussia her folk dances.
There's also 'Prussia and Hungary: A Tale of Two Nations' which focuses on how their different cultures interact and how they gradually fall in love. It has some really cute moments like when Prussia tries to learn Hungarian dances to impress Hungary. It shows their relationship in a very heart - warming way, exploring not just the romantic aspect but also their political and cultural ties.
One idea could be a historical adventure where they team up during a major European conflict. They could use their combined military might and strategic thinking to outwit their enemies.
A third theme could be the relationship between the two characters. The pregnancy could either strengthen their bond or create new tensions. It could show how they rely on each other more than ever, or it could expose insecurities and differences in their relationship as they face the challenges and joys of impending parenthood.
Friendship and loyalty are also common themes. Prussia and Hungary can be portrayed as friends who support each other through difficult times. In some fanfics, they might have to face challenges together, and their loyalty to each other is tested and strengthened. Also, there can be a theme of mutual respect. Given their different strengths and characteristics, they learn to respect one another in these stories.
A common theme is the exploration of their cultural differences. Hungary has his own unique cultural traits and Prussia has hers, and in fanfiction, it's often interesting to see how these differences play out in their relationship.
There are some fanfiction communities on Tumblr as well. Some users might share or create their own stories about male Hungary and fem Prussia. You can search for relevant tags like '#malehungaryxfemprussia' or '#hetaliafanfiction' to find these stories. However, the content might be a bit more scattered compared to AO3.
One idea could be a historical fanfiction where Belarusian and Hungarian diplomats meet during a crucial European event in the past. They start off as cautious acquaintances but gradually form a friendship as they realize they have more in common than they thought, like their love for their respective cultures and the challenges they face in international relations.