One idea could be that Subaru somehow gets the Geass power. He could use it to try and save Emilia in a more decisive way, but he also has to deal with the moral implications of the Geass, just like Lelouch did. This would create a really interesting dynamic as Subaru is already a complex character dealing with his own set of challenges.
One interesting aspect could be the alternate interpretations of the characters. In fanfics, authors often explore different sides of the Code Geass characters. For example, they might delve deeper into Lelouch's internal struggles during the Zero Requiem plan, showing his doubts and fears more explicitly. Another aspect is the exploration of different plotlines. Maybe the fanfic changes the outcome of certain events in the original Zero Requiem arc, creating a whole new story. Also, the fanfic might focus on the relationships between characters in a new light, such as the relationship between Suzaku and Lelouch from a different perspective, which could add more depth and complexity to their bond.
If the Geass power was introduced, it would completely disrupt the power balance in the Re:Zero world. Characters like Subaru, who are already struggling with their own powers, would have to deal with this new variable. For example, if a character like Rem got a Geass power, she could use it to protect Subaru in a more effective way, but it could also lead to her downfall if she misused it.
There's 'A Different Zero Requiem' which offers a unique spin on the events. It really focuses on the aftermath of Lelouch's actions and how the world changes in ways not explored in the original. Another good one is 'Zero Requiem: The Untold Story' which delves deeper into the planning and decision - making process of Lelouch and Suzaku. It gives a lot of new insights into their characters.
A fanfic about Cornelia could be a character study. It could delve into her past, like her upbringing in the imperial family and how that shaped her into the strong - willed person she is. Maybe it could also show her softer side that she doesn't often display in the anime.
In Code Geass fanfic, Nunnally is often a complex character. She is usually depicted as a symbol of innocence and hope. Writers might explore her relationship with Lelouch in different ways. For example, some fanfics might focus on how she would react if she knew all of Lelouch's secrets and plans. Her blindness also adds an interesting layer to her character, as it can be used to show her inner strength and vulnerability simultaneously.
The 'Code Geass 5 Year Fanfic' might expand on the original world - building by delving deeper into the politics of the different nations. For example, it could explore how Britannia's rule has changed over the five years, whether there are new rebellions brewing in different regions. It may also focus on the economic aspects. Maybe some regions are suffering more due to Britannia's policies, and this leads to new forms of resistance.
Fanfics often take on different genres as well. Some Code Geass Code Fanfic are action - packed adventures that take the characters on new quests outside of the original storyline. Others could be more of a mystery, where the characters have to solve a complex problem that was not part of the original plot. And then there are the ones that are more character - driven, focusing on the emotional growth and development of the characters.
One great fanfic in this category is 'The Geass Exchange'. It explores an alternate scenario where Lelouch gives his Geass to a different character, Suzaku. This creates a whole new dynamic as Suzaku, with his own set of beliefs and moral code, has to grapple with the power of Geass. The story delves deep into how the Geass affects his relationships, not just with Lelouch, but also with other characters in the Code Geass universe like Euphemia. It's a really interesting take on the concept of Geass transfer and how it can change the course of events.
Well, it could be about the restoration or recovery of certain elements in the Code Geass world. Maybe it's about recovering lost technology or powers. Fanfics often take the existing lore and expand on it. So this could be centered around a character trying to recover something important that was lost during the main storyline. It could also be about the recovery of relationships between characters that were strained or broken.