Natsu x OC Secret Relationship Fanfiction: What Are Some Plot Ideas?

One idea could be that the OC has a special power that attracts Natsu and the other harem members. For example, the OC can control a unique type of magic that is crucial in saving the world, and Natsu is drawn to her courage. Another plot could involve the OC being from a different dimension and Natsu has to help her adapt to his world while falling in love. And perhaps there could be a rival in the harem who tries to drive the OC away from Natsu.

For Natsu, you can focus on his loyalty and protectiveness in the relationship. Since it's a secret, he might be more cautious and less impulsive than usual. For the OC, give her some unique traits. Maybe she's shy but has a hidden fiery side like Natsu. You can show her growth as she becomes more confident in the relationship.

Perhaps the OC is from a different dimension where magic works in a strange way. Natsu, Mirajane, and Erza are intrigued by this. They team up to help the OC understand and control their magic in the world they are in now. Along the way, they encounter a powerful dark wizard who wants to use the OC's unique magic for evil. So, they have to fight together to protect the OC and the world from this threat.

The OC could be a time - traveler who ends up in the Fairy Tail world. She meets Natsu and tries to hide her true identity. But Natsu, being perceptive, notices something odd. They start to team up for various missions, and the OC has to use her knowledge of future events to help Natsu and Fairy Tail, all the while falling for Natsu's brash but kind personality.

A plot could be that during a difficult mission, Mirajane discovers she's pregnant. Natsu then has to balance protecting her and completing the mission. This would add a layer of tension and emotion to the story.

One idea could be an OC who has a special power that is both a blessing and a curse. For example, the power to see the future but not be able to change it. This could create a lot of internal conflict for the character as they struggle with their knowledge.

In 'natsu x lucy family fanfiction', an interesting plot could be that Natsu and Lucy's family discovers an ancient prophecy related to their family line. The prophecy foretells that their family will play a crucial role in saving the magical world from a great evil. As they try to understand the prophecy, they encounter various challenges. Their family might have to travel to different parts of the magical world, meet new allies and enemies. Also, the kids in the family could start to show unexpected powers as they grow up, which adds more to the family's journey in fulfilling the prophecy.

One plot idea could be that they accidentally find out about the pregnancy. Natsu, being his usual impulsive self, is at first shocked but then becomes extremely protective. Cana, on the other hand, is a bit more hesitant as she's not sure how to handle this new situation while still being part of the guild. They could face challenges like dealing with the guild's reactions, some of which might be positive and some negative. And they have to prepare for the arrival of the baby together, which includes finding a proper place to live and getting the necessary supplies.

One idea could be that Natsu is betrayed by his closest friends in the guild, and in his time of despair, a group of female characters form a harem around him to help him heal and regain his confidence. For example, Lucy could be the first to reach out, using her celestial magic to show him there are still things to fight for. Another plot could involve Natsu being betrayed by a powerful dark mage who manipulates his guild against him. The harem, which might include Erza, Wendy, and others, then trains Natsu in secret to become stronger and take revenge on those who wronged him.

One idea could be that Natsu and Mirajane start a family in a peaceful post - guild - war era. Their kids inherit unique magical abilities from both of them and they have to train and guide their children through the magical world's challenges.