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.
In a 'lucy and natsu getting married fanfiction', perhaps it starts with Lucy being kidnapped by an enemy. Natsu goes on a wild rescue mission. When he saves her, he realizes he can't bear to lose her again. So he asks her to marry him right there. They then return to the guild and start planning their wedding. There could be lots of sub - plots like Lucy choosing her wedding dress, Natsu trying to learn how to dance for the first dance, and all their friends helping them with the preparations.
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 plotline could be them planning a big wedding that involves all their friends from the guild. They might face some challenges like where to hold it and who to invite. Another could be Natsu getting cold feet at first because he's worried about how life will change after marriage, but Lucy reassures him.
One possible plot twist could be that they face a powerful enemy who has the ability to make them forget their feelings for each other. As they struggle to regain their memories and connection, they discover new things about themselves and their relationship. Another twist could be that there is a misunderstanding caused by a jealous third party, which leads them to briefly separate before realizing the truth and coming back together stronger. And a third plot twist might be that they are forced to choose between their relationship and a great power or responsibility that could change the fate of their world.
In the fanfiction, their relationship might have developed over many adventures. They could have realized their love for each other during a particularly dangerous mission. Natsu, always protective of Lucy, and Lucy, always believing in Natsu. Their marriage would symbolize the deep bond they share. It might also be a way to bring the guild closer together, as everyone is so happy for them. And perhaps, in this fanfiction, they would start a new chapter in their lives, thinking about having a family in the future.
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.
One possible plot twist could be that they face opposition from their respective guilds at first. Maybe Fairy Tail has some old grudges against Kagura's guild, and they try to stop Natsu from marrying her. But as the story unfolds, they come to understand her true nature through Natsu's love for her.
One possible plot twist could be that an old enemy resurfaces on their wedding day, threatening to disrupt the ceremony. Maybe a dark guild that Laxus once fought against comes back for revenge. Another twist could be that Lucy discovers a hidden family secret that might change her relationship with Laxus. For example, her family has some sort of connection to Laxus' past that she was unaware of. And a third plot twist could be that a magic spell goes wrong during the wedding, causing everyone to swap personalities for a while, which would lead to some really interesting and comical situations.
Well, a plot twist might be that they got secretly married because they made a drunken bet. One night, after a wild celebration at the guild, they made a bet that if Natsu could complete a really difficult mission on his own within a week, Lucy would marry him. Natsu, being overconfident, accepted. He completed the mission, and Lucy, being a person of her word, went through with the marriage in secret, not knowing how to break the news to their friends and guild mates.
A possible plot could be that their married life is disrupted by a mysterious force that is causing chaos in the magical world. Natsu and Lucy, being the strong couple they are, set out to find the source of this problem. As they journey, they discover secrets about their own powers and how their union might be the key to saving the world. There could be moments of doubt and fear, but their love for each other always pulls them through.