They could start with a big hug. Then Shanks might tease Luffy about his still - crazy appetite. Luffy, in turn, could show off his new crew members to Shanks.
Their relationship could start with Uta being initially distrustful of Luffy. After all, Luffy is a pirate and Uta has her own ideas about pirates. But as she sees Luffy's pure heart and his determination to protect his friends and pursue his dreams, she starts to warm up to him. They might then become friends who share their different stories and experiences.
They could have heart - to - heart conversations. For example, Shanks could share his past adventures and the lessons he learned from them with Luffy. This would help Luffy gain more wisdom and also deepen their connection.
A different fanfiction could be set in a post - war scenario. Luffy has achieved his goal of making the world a freer place, and Uta, with her music, is now using her influence to bring joy and peace to the people. They team up to hold a grand concert on an island that was once ravaged by war, and their combined efforts help the island to revive and thrive.
One common theme is mentorship. Shanks is often portrayed as a mentor to Luffy, guiding him in his journey to become a great pirate. Another theme is the idea of a strong, unbreakable bond. Their relationship is shown as something that withstands time and distance.
One common theme is the exploration of a different backstory for Luffy. Since he's Shanks' son, his origin story and the reasons for his actions change. Another theme is the impact on his relationships. For instance, his relationship with Shanks becomes more complex, not just a mentor - protégé relationship but a father - son bond.
Shanks influences baby Luffy by being a role model. He shows Luffy the exciting life of a pirate. For example, his tales of adventure on the high seas make Luffy long for the same. Also, Shanks' courage, like when he faces danger without hesitation, makes Luffy admire him and want to be like him.
One interesting luffy and shanks fanfiction could be about Luffy finally reaching the level where he can have an epic battle with Shanks to prove his worth. In this story, Luffy might show off all the new skills he has learned during his adventures. Another could be a story where Shanks reveals a big secret to Luffy about his family that changes Luffy's perspective. There are also fanfictions where they team up against a common enemy much stronger than any they've faced before.
In 'Shanks Saves Luffy' fanfiction, Shanks and Luffy are the central figures. However, characters from Shanks' crew could also be involved. They might be there to assist Shanks in the rescue mission or have some sort of back - story related to why Shanks is so determined to save Luffy. Additionally, any new characters created specifically for the fanfiction, perhaps a powerful being who is the root cause of Luffy's danger, could also be main characters in the story.