One common theme could be the exploration of a very different kind of relationship dynamic between Madara and Hashirama. Since the mpreg aspect is added, it might focus on how they deal with the unexpected situation, like Hashirama's pregnancy journey and Madara's role in it.
If we assume there is madara x hashirama mpreg fanfiction, common themes may include the emotional journey of the characters. Madara and Hashirama might have to re - evaluate their relationship in light of this new development. There could also be themes related to the secrecy or revelation of the pregnancy. How do they keep it a secret in a world full of spies and rivals? And when it is revealed, how does it change the political and social landscape of the ninja world?
One common theme could be the exploration of a very different kind of relationship between Hashirama and Madara. It might focus on how they handle this unexpected situation of mpreg. Another theme could be the impact on the Naruto world's politics or power dynamics, as these two are very important figures in the Naruto universe.
Yes, there might be some in the fanfiction community. However, such content often goes against the original nature of the characters in the Naruto series and can be quite controversial. Some fanfiction platforms may have specific rules regarding this kind of content.
One common theme is the struggle against clan differences. Since their clans are often in conflict in the original Naruto lore, in fanfiction this becomes a major obstacle for their relationship. For example, they might have to keep their love a secret to avoid causing more strife between the clans.
Often, the theme of redemption is present. Fem Madara may be depicted as having a change of heart or being redeemed through her relationship with Hashirama. Additionally, the theme of sacrifice is common. They might sacrifice their own beliefs or desires for the sake of their relationship or for the greater good. The theme of loyalty also pops up a lot, as they are loyal to each other in different ways, which is interesting to explore in these fanfictions.
One common theme is friendship. Despite their differences, Madara, Hashirama, and the OC often form a unique friendship that transcends the normal boundaries in the Naruto universe. Another theme is power. The OC usually has some sort of power that either attracts or challenges Madara and Hashirama.
The theme of unrequited love is also quite popular. It's often depicted that one of them has feelings that the other is initially unaware of. And there's the theme of power balance. How their powers affect their relationship, whether it brings them closer or drives them apart.
One common theme is their friendship. Despite being on opposite sides at times, many fanfictions explore the deep - seated bond they had. Another theme is redemption. Madara, especially, is often the subject of redemption arcs in fanfiction. Also, the theme of sacrifice for the greater good is seen, as both characters in the original story were willing to make sacrifices for their respective villages.
Often, themes like power and its implications are explored. Since both Naruto and Madara are powerful characters, how the mpreg affects their powers or their roles in the ninja world can be a central theme. Also, themes of acceptance and family, as they navigate this new family - like situation with the mpreg.
One common theme is the complex relationship between them. Given their history in the Naruto series, fanfics often explore how their past rivalries and loyalties translate into a romantic context in a yaoi relationship.
One common theme is the idea of forbidden love. Since Madara and Hashirama are from rival clans, their relationship goes against the norms of their society. Another theme is the power of love to change destinies. Their love could potentially change the fate of the ninja world. For example, it could prevent future wars between the clans.