One idea could be that Lucy and Hibiki are from different worlds but are brought together by a magical accident. They then have to team up to find a way back to their respective homes while facing various challenges along the way.
Lucy and Hibiki could be part of a group that is on a quest to find a lost artifact. Along the journey, Lucy's unique skills and Hibiki's strength complement each other. However, there are also internal conflicts within the group that they have to deal with, and their friendship is tested as they strive to achieve their goal.
One plot idea could be that Hibiki and Lucy are on a joint mission. They discover an ancient magic artifact that has the power to either save or destroy the world. Along the way, they face various challenges and their friendship grows as they rely on each other's unique magical abilities to overcome obstacles.
One idea could be that Hibiki and Airi meet in an unexpected place like a small, forgotten bookstore. They both reach for the same rare book, and this starts a friendship that gradually turns into a deeper relationship as they discover they have a shared love for literature and art.
One idea could be that Lucy's pregnancy is unexpected and she has to deal with the reactions of her friends and family. Some might be overjoyed while others are worried. Another could be a story where the father of the baby is a mystery and Lucy goes on a journey to find out who it is. Maybe she discovers some secrets about her past relationships along the way.
Perhaps in the fanfiction, Lucy gets lost in a magical maze that appears in Narnia. Aslan has to enter the maze to find her. While in the maze, they encounter strange magical beings and challenges. Through this experience, their bond deepens, and they emerge with a new understanding of their roles in Narnia.
A plot idea could be that Desmond and Lucy are on a mission to find a hidden Piece of Eden. Along the way, they face many challenges and have to rely on each other's strengths. Maybe Lucy is the one who is more knowledgeable about the historical context and Desmond uses his Eagle Vision to navigate through dangerous areas. They could also face internal conflicts within their own organizations that threaten their mission and their relationship.
A plot could involve Lucy getting into trouble with a powerful dark magic user. Yukino, being the loyal friend she is, comes to her rescue. They have to fight against the dark magic user and his minions. In the process, they learn more about each other's pasts and the reasons why they are so determined to protect the magical world. This experience deepens their bond and makes them an even stronger team in the magical community.
One idea could be that Lucy and Wyatt find out they're having a baby with special time - traveling abilities. It could add a whole new dimension to their adventures as they try to protect the baby from those who might want to use its powers.
One idea could be that Lucy and Peter meet in an unexpected place like a small, old bookstore. They both reach for the same rare book about a fictional world. Their hands touch, and there's an instant spark. From there, they start to explore the book together, sharing their love for literature and slowly falling in love as they discover more about each other's dreams and pasts.
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.
One idea could be that End and Lucy are from different worlds. End is from a dark, magical realm and Lucy is from a more normal human world. They accidentally cross paths when a portal opens between their worlds. End is initially seen as a threat but as they interact, they start to understand each other and form an unlikely alliance against a common enemy that wants to destroy both of their worlds.