The fanfiction could be set in a world where Natsu and Levy are married and they are faced with a great threat to the guild. They work together as a married couple to defend their friends and the guild. Natsu uses his fire - power and Levy uses her script magic in unison. Their love for each other gives them extra strength and they become an inspiration for the younger members of the guild.
The plot could involve Natsu and Levy's journey during the pregnancy. They might find out early on and start planning their future as parents. As Levy's pregnancy progresses, Natsu becomes more protective. There could be some comical moments, like when Natsu tries to cook for Levy but messes it up. And in the end, they welcome their new baby into the world, surrounded by their loving Fairy Tail family.
Gray could be a supporting character. He might be a bit jealous at first but then becomes a good friend and helps Natsu out when he gets into trouble. Erza could also be there. She would be like an older sister figure, giving advice to Levy on how to handle Natsu's sometimes reckless behavior. Happy, Natsu's Exceed friend, would definitely be around, providing some comic relief and also helping them out in various situations.
Well, it could involve a lot of emotional turmoil. Maybe Natsu initially panics but then slowly accepts his new role as a future father. They might face challenges from their friends or guildmates who are surprised by the sudden situation.
In a 'natsu married oc fanfiction', perhaps the OC is a healer. Natsu gets seriously injured during a battle and the OC nurses him back to health. Natsu is so grateful and impressed by her kindness and skill that he starts to develop feelings for her. They get married and the story could focus on how Natsu has to adjust to having a partner who is more calm and collected compared to his fiery self. He might learn to be more patient and she might learn to be more adventurous from him.
In a 'natsu gets married fanfiction', perhaps Natsu meets a new character who he falls deeply in love with at first sight. This new person might be from a different land. Natsu has to learn about her culture and traditions in order to marry her. His friends from the guild are initially skeptical but then come to support him wholeheartedly as they see how much he cares for this person.
Well, perhaps in the fanfiction, Natsu and Ultear get married in a grand ceremony attended by all their friends from the guild. After marriage, they decide to go on adventures together. Ultear could use her time - magic to help Natsu in battles, like rewinding time a bit to give him an edge. They also start a family, with Natsu teaching their kids about the importance of friendship and Ultear teaching them magic.
Well, one possible plot could be that after many adventures together, Natsu finally realizes his deep love for Lucy. He might plan a big, romantic proposal during one of their guild parties. Then the wedding could be a grand affair with all their Fairy Tail friends in attendance. They could exchange heartfelt vows, and the whole guild could celebrate their union with lots of food, music and magic.
Maybe the story could start with Natsu and Lucy going on a special mission. During this mission, they face a great danger that makes them realize how much they mean to each other. Once they return, Natsu decides it's time to get married. The fanfiction could then focus on the wedding preparations, like Lucy choosing her dress and Natsu trying to find the perfect gift for her.
Perhaps the story delves into how they handle disagreements as a married couple. Since Natsu can be impulsive and Lucy is more level - headed at times, they might have to work through their differences. It could also show how their love for each other deepens through these experiences.
One possible plot could be that they grow up and as they've been through many adventures together, they realize their feelings have deepened into love. They might face some opposition from the guild at first, thinking they are too young or it's too sudden. But Natsu, with his determination, proves that his love for Wendy is real and they plan a simple yet heart - warming wedding at the guild hall, surrounded by their friends and family.