There are also fanfictions that focus on them facing challenges together. Maybe it's a threat that spans across their two universes, and they have to combine their powers and knowledge to overcome it. This theme allows for a lot of action and adventure in the stories.
One common theme is the exploration of their different worlds. Draco from the Harry Potter universe and Usagi from Sailor Moon have very distinct magical worlds, and fanfictions often play with how they interact.
Love and sacrifice is a common theme. Mamoru would sacrifice his time and energy to take care of Usagi. Another theme could be the power of friendship. Their friends would likely come to their aid during this difficult time. Also, the theme of hope. Despite Usagi being sick, there is always hope for her to recover and have a healthy baby.
Love is a very common theme. Since Usagi and Mamoru have a strong romantic connection in the original story, fanfictions often expand on their love, like how they overcome obstacles to be together.
One common theme is the clash and then the fusion of two different worlds. Harry comes from a world of wizards and magic, while Usagi is from a world of sailor senshi and lunar powers. Fanfictions often explore how these two disparate worlds interact and combine.
Common themes include the power of love. In many fanfictions, their love is so strong that it can conquer all difficulties. There's also the theme of protection. Usagi is often depicted as protecting misaki from various threats, whether it's from jealous rivals or difficult situations. And the theme of acceptance is also prevalent, as they accept each other's flaws and grow together in their relationship.
Some fanfictions may focus on the challenges they face during the pregnancy. This could involve health scares, financial concerns, or work - life balance issues. It's also common to see themes of love and commitment being strengthened through the experience of expecting a child together. The idea of building a family and the future they envision for themselves and their baby are often explored as well.
One common theme is the exploration of Usagi's new role as a mother - to - be. It often shows how she copes with the physical and emotional changes. Another theme could be the relationship between Usagi and Mamoru as they anticipate the arrival of their child. There's also the theme of how the other Sailor Guardians support Usagi during this time.
One common theme is friendship. Their friendship often forms the basis of the story, whether it's a new friendship developing or an existing one being tested. Another theme is adventure. They usually go on some sort of journey or adventure together, facing different obstacles along the way.
One common theme could be the relationship development between Misaki and Usagi. It might explore how their bond grows over time.
One common theme is the 'forbidden love' aspect. Since Jadeite is often an antagonist in the Sailor Moon universe and Usagi is the protagonist, their relationship goes against the natural order, which makes for an interesting and often angsty story. Another theme could be 'redemption'. Jadeite might be shown as trying to redeem himself through his relationship with Usagi.
One common theme is the blending of different power systems. Goku has his Saiyan powers and Usagi has her Sailor Moon powers. Fanfictions often explore how these powers interact when they are married. For example, they might combine their powers to defeat a powerful villain. Another theme is the cultural clash. Goku comes from a more action - based, martial - arts - focused world, while Usagi is from a more magical girl - type world. How they bridge these differences in their married life is often explored.