One common theme is the idea of redemption. Sometimes Bowser is shown on a path to change his ways, often with Luigi playing a role in that transformation. For example, in some fanfictions, Luigi's kindness makes Bowser question his evil actions.
Another theme is the exploration of their relationship outside of the typical hero - villain dynamic. They might be forced to work together, like in a lot of stories where a greater evil emerges. This forces them to see each other in a new light and reevaluate their feelings towards one another. It's really interesting to see how their personalities clash and also complement in these situations.
Some common themes include transformation. This could be in terms of Bowser's character evolving due to his relationship with female Luigi. Also, the theme of overcoming differences is quite common. In the Mario universe, Luigi and Bowser are on opposite sides usually. But in these fanfictions, female Luigi and Bowser have to find ways to get along. Additionally, themes of mystery and discovery can be present, like when they explore new parts of the Mushroom Kingdom together and uncover secrets that change their relationship.
Another theme could be adventure. They might go on some sort of journey together, either in the Mushroom Kingdom or in some new, made - up world. It's also possible that some fanfics have a theme of redemption, where Bowser has a change of heart through his interactions with Luigi.
Most likely, Mario would be the one to save Luigi. He has a strong bond with his brother and would stop at nothing to rescue him.
There might be a fanfiction where Luigi gets lost in Bowser's castle and Bowser, instead of capturing him as usual, shows him around the castle out of curiosity. It's a unique take on their relationship. They end up sharing some secrets about their respective kingdoms.
In this kind of fanfiction, perhaps Luigi would be really scared at first. Bowser might use Luigi as a bargaining chip against Mario. Luigi could try to find a way to escape from Bowser's lair on his own, or he might be waiting for Mario to come and rescue him.
One common theme could be Luigi getting physically hurt during his adventures. For example, in a fight against a powerful enemy in the Mushroom Kingdom. Another theme might be emotional hurt, like feeling overshadowed by Mario all the time.
One common theme is adventure. Many fanfictions send Luigi and Daisy on various quests, like exploring new lands or saving kingdoms. It gives them a chance to show their bravery and work together as a team.
One common theme is friendship. Since Luigi and Rosalina come from different parts of the Mario universe, their stories often focus on how they form a bond. Another theme is adventure. They might embark on a journey together, like exploring a new part of the galaxy or a mysterious area in the Mushroom Kingdom. And sometimes, there's a theme of self - discovery. Luigi, for example, might learn more about his own capabilities and worth through his interactions with Rosalina.
One common theme is friendship. Writers often explore how Luigi and Peach can form a unique bond outside of the typical rescue - damsel in distress scenario. For example, they might be shown sharing a love for a particular type of music or food.
In 'luigi pregnant fanfiction', one possible theme could be the exploration of Luigi's character in a situation that is completely out of the ordinary. It might also touch on themes of support and how the Mario universe characters respond to such a strange event. Another aspect could be the challenges Luigi himself faces during this 'pregnant' state, like dealing with physical and emotional changes in a world that doesn't typically have male pregnancy.