A plotline could be that Natsu and Lucy are chosen to represent their guild in a diplomatic mission to another guild. They have to negotiate a peace treaty. Natsu's straightforwardness and Lucy's diplomatic skills play important roles in this mission, and they learn a lot about each other's personalities outside of combat situations.
In a fanfiction, Natsu and Lucy could be tasked with teaching a group of new mages in their guild. Natsu shows them combat techniques while Lucy teaches them about magic theory. They work together to mentor the new mages, and in the process, their own friendship grows as they share their knowledge and experiences.
One interesting plotline could be Lucy and Natsu going on a quest to find a lost dragon egg. Along the way, they face many challenges and their bond grows stronger. Another could be Natsu suddenly losing his dragon powers and Lucy having to find a way to get them back, which involves delving into some ancient magic lore.
One possible plotline could be Natsu and Lucy getting paired up for a school project. As they work together, they start to discover new things about each other and their relationship deepens. For example, they might find out they both have a secret love for a certain type of music. Another could be that there's a school competition, and they have to rely on each other's strengths to win, which brings them closer. And there could also be a plotline where they face some sort of misunderstanding among their friends, but they work through it together.
Well, it could be that Lucy has a misunderstanding. Maybe she overhears something that makes her think Natsu is planning to leave the guild without saying goodbye. So, in a fit of panic and anger, she kidnaps him to get an explanation. Then, as the story progresses, they have a heart - to - heart conversation where the misunderstanding is cleared up. It could also be a situation where Lucy is competing with someone else for Natsu's attention, and she thinks that by kidnapping him, she can have him all to herself for a while and figure out how to make him like her more.
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 popular plotline could be a love triangle between Natsu, Lucy, and Lisanna. For example, Natsu might be unknowingly caught between his long - standing friendship with Lisanna and his growing feelings for Lucy. Another plotline could involve the three of them on a dangerous adventure together, where they have to rely on each other's unique magical abilities to survive. Maybe they encounter a powerful dark wizard and have to work as a team to defeat him.
A lot of fanfictions focus on the idea of Natsu and Lucy being forced to work together in a tournament. They have to overcome their differences and use their combined skills to win. This often leads to a better understanding of each other. There are also plotlines where Lucy discovers a new and powerful form of her celestial magic and Natsu helps her master it. Sometimes, a prophecy about their combined destiny is revealed, which sets them on a journey to fulfill it.
One possible plotline is that Natsu starts writing in the diary about his confusion regarding his feelings for Lucy. He might write about how he gets jealous when other guys show interest in her. Another plot could be that Lucy accidentally discovers the diary and confronts Natsu about it, which then leads to them finally admitting their feelings for each other.
Another romantic scenario could be a dance. Maybe at a guild celebration, Natsu takes Lucy's hand and leads her to the dance floor. They move in harmony, despite Natsu's initial clumsiness. As they dance, they look into each other's eyes, and the whole world seems to fade away. It's a moment that showcases their deep love and connection, and how they are now in this new chapter of their lives as a married couple.
One popular non - sexual Natsu and Lucy fanfiction might be those that focus on their adventures as a team. For example, stories where they go on a quest to find a powerful magical artifact that can save their guild. These types of stories often highlight their friendship and how they rely on each other's strengths.
Well, in some fanfictions, it could be that Lucy is under a curse. This curse makes her act out of character and she ends up hurting Natsu. Maybe she is cursed to attack the closest person to her, and at that moment, it's Natsu. Or it could be a situation where Lucy is forced to choose between saving herself and Natsu in a dangerous situation, and her choice, even if it's to save herself, could be seen as hurting Natsu. Also, there could be a plot where Lucy is brainwashed by an enemy who wants to break the bond between her and Natsu, and as a result, she causes him harm.