One popular 'oc x canon fanfiction' could be those in the Harry Potter fandom. For example, an original character might be paired with a canon character like Harry Potter himself. These stories often explore different aspects of the magical world from a new perspective. The OC could be a new student at Hogwarts with a unique backstory that ties in with the existing plotlines in interesting ways.
A believable OC for a Sekirei x oc fanfic should have a motivation that drives them. It could be as simple as curiosity about the Sekirei. Their reaction to the Sekirei world is crucial. If they are shocked at first but then gradually adapt, it shows character development. Also, think about their moral code. Are they a do - gooder or more of a neutral character? This will determine how they interact with the Sekirei. For example, a morally upright OC might try to protect the innocent Sekirei from being used in the Plan, while a more neutral OC might just be observing and trying to stay out of trouble at first.
First, you need to create a well - thought - out original character. Decide on their appearance, personality, and backstory. Then, study the canon world thoroughly. For example, if it's a 'oc x canon fanfiction' for a TV show, re - watch the episodes to understand the characters and the plot. Next, come up with an interesting plot that involves your OC interacting with the canon character in a meaningful way. You can start with a simple idea like they meet by chance and then build on that.
There's also 'The Gardevoir's Companion'. In this fanfic, the oc has a unique connection with Gardevoir. It starts with an accidental encounter and then develops into a deep friendship. The author does a wonderful job of showing how their relationship grows over time, with many heart - warming scenes.
The 'the incredibles elastigirl x oc fanfic' could potentially focus on the character development of both Elastigirl and the OC. It might start with the OC being a bit of an outsider in the world of superheroes but gradually finding their place. Elastigirl could be the mentor - like figure, guiding the OC. This could lead to a lot of emotional moments as the OC grows and learns, and their relationship with Elastigirl deepens over time.
Perhaps the OC is a scientist who has been researching a new form of energy. This energy is actually what powers the Sekirei. The OC's research attracts the attention of a group of Sekirei. One Sekirei in particular befriends the OC to learn more about this energy. As they spend time together, the OC begins to understand the Sekirei's world better and helps them find a way to break free from the constraints of the Sekirei Plan.
Well, for a 'marie kanker x oc fanfic', it depends on the writer's intention. If it's a romantic fanfic, it could show the budding relationship between Marie and the OC, with all the typical romance tropes like first meetings, misunderstandings, and finally getting together. On the other hand, if it's more of a platonic story, they could be partners in some kind of adventure or mission. The OC could bring a fresh perspective to Marie's world, and through their interactions, new storylines and plot twists can be created.
One common theme is growth. The OC often helps Tsuna grow as a person or vice versa. For example, in some fanfics, the OC has a different way of thinking that makes Tsuna see things from new angles. Another theme is friendship. They start as strangers and develop a deep friendship which may or may not turn into something more romantic. It shows how two different characters can support and care for each other.
Love against all odds is also a big theme. Given Snape's reputation and his often - gloomy nature, the idea of him falling in love with an OC is an uphill battle, which makes for an interesting story. For example, in some fics, the OC has to overcome the prejudice of the Hogwarts community towards Snape.