One plot idea could be that Ayame helps Naruto learn more about his family's history through the food of the village. Since food is a big part of their culture, she could use recipes passed down in the village to tell him stories related to his parents. Another idea is that they work together to organize a festival in the village. They have to deal with all the preparations, from getting the supplies to inviting the villagers, and in the process, their relationship grows.
How about a story where Ayame's family is in trouble, and Naruto steps in to help. Maybe her family's restaurant is facing some financial difficulties or is being threatened by some thugs. Naruto uses his ninja skills and his big heart to rescue the situation. This not only helps Ayame's family but also makes Ayame see Naruto in a new, heroic light, and their friendship blossoms into something more special.
Maybe Ayame has a family heirloom that is a special kunai, and she believes it has some sort of hidden power. She asks Naruto to help her figure it out. As they search for clues, they encounter some old ninjas who knew Ayame's family. This plot can explore their relationship as they work together and also Ayame's family history within the Naruto world.
One idea could be a story where Ayame teaches Naruto some traditional recipes from the Hidden Leaf Village. This would not only show their interaction but also give an insight into the village's culture.
There could be a story where kin is an outcast in her own clan and naruto befriends her. He helps her find her place in the village and they end up creating a new ninja technique together. Also, a plot where kin and naruto are assigned to teach a group of young ninja trainees. Through teaching, they not only pass on their skills but also learn a great deal about themselves and each other, all while keeping it family - friendly.
One idea could be that Kin and Naruto team up to rescue a group of kidnapped ninjas. During their mission, they discover new jutsus together and their respect for each other grows. Eventually, they realize they have feelings for each other that are based on mutual admiration and shared goals.
One interesting plot idea could be that Naruto, while on an Anbu mission, has to protect Ayame. Maybe there's a group of rogue ninjas targeting the local businesses in Konoha, including Ayame's ramen shop. Naruto uses his Anbu skills, which are more stealthy and deadly than his normal abilities, to keep her safe. Along the way, Ayame discovers a new side of Naruto she never knew, and they start to develop a deeper bond.
A plot could involve Ayame getting kidnapped by a group who wants to use her knowledge of the village's food supply (since she runs the ramen shop) to starve the village. Naruto then has to rescue her. This would not only show Naruto's heroism but also Ayame's importance in the village in a different way than just being a ramen seller.
A more complex plot could be set in a time when there is a famine in the village. Ayame's ramen shop is struggling to get ingredients. Naruto, being the hero he is, offers to help. They travel to different lands to trade for ramen ingredients. Along the way, they encounter various characters from other villages, some friendly and some hostile. This journey not only strengthens their friendship but also helps to save the ramen shop and feed the village.
Perhaps in the fanfiction, Naruto and Ayame start a mission together that leads to them getting stranded in a strange land. There, they gradually form a harem as they meet various characters who are attracted to their unique qualities and the bond between them.
One plot idea could be that Naruto discovers Ayame is pregnant and he has to balance his ninja duties with being there for her. He might worry about protecting his new family from potential threats in the ninja world.
One interesting plot idea could be a time - travel scenario where Inuyasha and Naraku are sent back in time before all their enmity began. They might end up having to work together to survive in that time period, and in the process, they start to understand each other better. Maybe they even form an unlikely friendship that changes the course of their future relationship.