It might also be a character who has a more complex or unexpected connection to Historia. For instance, there could be a plot twist where a character who was thought to be an enemy turns out to be the father, adding a whole new layer of drama to the story.
A 'historia visual novel' could be about various things. It might be a story set in a historical context, with characters and plots that unfold in a way typical of visual novels. It could focus on a particular era, like the Renaissance or the Victorian age, and tell a fictional story with elements of that time's culture, society, and events.
Yes, there are quite a few. You can start by looking on fanfiction.net or Archive of Our Own. Some fanfictions might explore their relationship in an AU (alternate universe) setting, like a modern-day scenario where they meet and get married, while others could be more in line with the original story's themes and settings but with a different plot twist leading to their marriage.
There could be some, but it really depends on the market and the fan base. Since visual novels are a diverse genre, those with a historical focus might not always get the same level of mainstream attention. But in the communities dedicated to visual novels and historical fiction, there may be some well - known 'historia visual novel' titles that are highly regarded for their storytelling, art, and historical accuracy.
In this type of fanfiction, the character development of Sakura would be really interesting. She would likely have to go through a huge transformation from a regular character to one capable of such a heinous act. It could also show how the other characters in the original story react to her actions. For instance, her friends might be in disbelief or try to stop her.
Perhaps Draco is tired of living in his father's shadow. His father has always been a dominant figure in his life, and by killing him, Draco could be trying to assert his own identity.
One common theme is the exploration of a new world order. Since Eren and Historia are both important characters, their marriage could signify a change in the power dynamics of their world. Another theme is the growth of their relationship, from initial attraction to a deep, committed love. And often, there's the theme of facing challenges together, whether it's from outside forces or internal conflicts within their relationship.