One plot idea could be that Lucy and Sting discover they are pregnant around the same time. They could then support each other through the various challenges of pregnancy in a magical world. Maybe they have to deal with magical side - effects on their unborn children due to their own powerful magic.
Another possible plot is that there is some sort of magical curse that causes their pregnancies. They have to go on a quest to find a way to break the curse before the babies are born. Along the way, they learn more about each other and their own powers, and also face many obstacles that test their relationship and their determination to protect their unborn children.
Well, a plot could revolve around Sting being overly protective of Lucy during her pregnancy. He might try to keep her from going on any dangerous missions, which could lead to some cute arguments between them. Then there's the idea of them preparing a nursery together. They could have different ideas about how it should look, like Sting wanting it to be all about Sabertooth's colors and Lucy having a more whimsical design in mind. And of course, there could be a plot where they discover that their baby has some special magic abilities even before it's born.
It's quite possible that there is such a fanfiction. Fanfiction thrives on exploring different relationships and storylines that may not be part of the original canon. Given the popularity of the characters Lucy and Sting, some fans might have been inspired to write a story where Lucy is pregnant with Sting's child. You could also try reaching out to fellow fans on social media platforms dedicated to the relevant fandom to ask if they've come across such a fanfiction.
One plot idea could be that Lucy discovers she's pregnant unexpectedly and has to deal with the shock and then figure out how to tell her family. The family then rallies around her to support her through the process, showing the strong family bond in the Loud family.
One idea could be that they discover the pregnancy unexpectedly. Maybe they were in the middle of a big adventure in their magical world and then Lucy starts showing signs. It throws them into a new set of challenges as they have to balance their duties in their guild with preparing for a new life.
It might include the reactions of their friends and comrades. For example, how Natsu or the other Fairy Tail members would respond to this unexpected situation. It could also explore the relationship between Lucy and Sting as they prepare for the arrival of the child, like dealing with the responsibilities and their feelings for each other.
Another plot could be that Lucy gets pregnant through some sort of magical accident. She then has to figure out how to deal with the changes in her body and magic while also trying to find a way to reverse the 'accident' if she wants to. But during this process, she starts to form a special connection with the unborn child and has a change of heart.
One idea could be that they go on an adventure together to find a lost magical artifact. Along the way, they discover new things about each other and their relationship deepens.
A possible story could be that they planned for the pregnancy. They've been through so much together in their adventures that they feel ready to start a family. Their pregnancy journey could be filled with small, sweet moments like Wyatt talking to the baby bump at night, and Lucy writing letters to their future child about their time - traveling experiences.
One plot idea could be Nejire's journey through pregnancy while still trying to be a hero. She might face challenges like hiding her condition from villains who could target her. Another could be the reactions of her friends and loved ones, like how they support her and deal with the changes in their relationships.
Well, a possible plot is that there are some dark forces that target Lucy because of her unborn child. Maybe they believe the baby will have some special powers. Laxus then has to go on a journey to find a way to protect them. And as for their relationship, it could be strained at first because of the stress, but they gradually grow closer as they face the challenges together. Plus, there could be a sub - plot about how Lucy's celestial spirits react to the news. Some might be overjoyed and offer their own unique forms of protection.