There's also 'A Prince's Redemption'. This fanfic delves deep into the moral struggles of the OC prince. It shows his journey from a somewhat lost and conflicted character to one who finds his true purpose. The writing style is engaging and it stays true to the overall tone of Code Geass.
Another good one is 'The Prince Among Shadows'. It focuses on the OC prince's secret operations and his attempts to change the fate of the world in his own way. The author does a great job of creating suspense and making the reader eager to find out what the prince will do next.
Another interesting one is 'The Male OC and the Geass Revolution'. In this fanfiction, the male OC discovers his Geass power by accident and uses it to try and change the fate of the oppressed people in the Code Geass world. The story has a lot of emotional depth as it delves into the OC's internal conflicts, his relationships with other characters, and his moral dilemmas.
A good Code Geass OC Prince fanfiction should have a believable character. The prince should have his own unique personality traits, goals, and flaws. For example, if he's overly ambitious, there should be consequences for that. Also, it should fit well into the existing Code Geass universe. The power dynamics, the political intrigue, and the overall setting should be respected.
There's also 'Brotherhood in Code Geass'. This fanfic focuses on the unbreakable bond between Lelouch and his brother. The OC in this story is a catalyst for change. It's filled with action - packed scenes and emotional moments that will make any Code Geass fan love it.
First, study the existing world of Code Geass. Know the politics, the social hierarchy, and the technology. For example, if your OC is a Britannian, they should act according to the values and norms of that society. Second, give your OC a clear motivation. It could be revenge, love, or a desire for power. And third, don't make them overpowered. Even if they have a special ability, it should have limitations.
One idea could be an OC who is a commoner but has a unique power that gets noticed by Lelouch. For example, the ability to manipulate sound waves which could be used for both stealth and attack. Another could be an OC from a foreign nation who has different moral and cultural values than the Britannians and Japanese, creating interesting conflicts. Or an OC who is a brilliant scientist working on a secret project that could change the balance of power in the Code Geass world.
There's a fanfic called 'Red Prince: Beyond the Throne'. This fanfic focuses on the Red Prince's relationships with other characters in a more in - depth way. It shows how his actions and decisions are influenced by those around him. The author does a great job of creating a believable and immersive world within the context of Code Geass, and the Red Prince is portrayed in a very interesting light.
One great male reader Code Geass male OC fanfic is 'The Hidden Power'. It has an engaging plot where the male OC has a unique Geass ability that sets him on a path to change the world of Code Geass. The story does a great job of integrating the OC into the existing Code Geass universe, with well - written interactions with the main characters.
The OC could be a time - traveler who lands in the Code Geass world and meets the prince. As she tries to find her way back home, she accidentally creates a harem situation. There could be a knight who is sworn to protect the prince and starts to have feelings for the OC because of her strange knowledge from the future, and a foreign princess who sees the OC as a way to form an alliance with the prince.
One great 'Code Geass' female Suzaku fanfiction is 'Suzaku's New Path'. In this fic, the author gives a unique perspective on Suzaku as a female character. It delves into how her relationships, especially with Lelouch, might change. The story is full of emotional depth and interesting plot twists that keep you hooked from start to finish.
For the prince, you can start by delving deeper into his existing traits. If he's usually seen as cold, show the moments when his cold exterior cracks, especially around the OC. For the OC, give her a clear backstory. If she's from a different culture, explore how that affects her interactions. For the harem members, define their individual motives. For instance, if one is a spy, show how she struggles between her mission and her growing feelings for the prince.