Another plot could involve Naruto's mother being from a clan that has a long - standing relationship with the moon. This could lead to Naruto having to discover his mother's heritage and the secrets of the moon in order to save the village. He might find out that there are ancient prophecies related to the moon and his mother's bloodline.
One idea could be that Naruto's mother has a special connection to the moon. Maybe she left a hidden message or power related to the moon for Naruto. For example, the moon could be a key to unlocking a new form of chakra that Naruto inherits from her.
Perhaps Naruto's mother's spirit is somehow linked to the moon. Naruto could start having dreams or visions of her in relation to the moon. These visions could guide him on a journey to find a powerful artifact on the moon that was once in his mother's possession and is now needed to defeat a new and powerful enemy.
One idea could be a story where Naruto discovers a long - lost diary of Tsunade's mother. Through reading it, he uncovers secrets about the village's past that help him in his journey to become Hokage. For example, it might reveal hidden jutsu or the true nature of some old rivalries within the village.
Another plot could be that Naruto's adopted mother is secretly related to one of the main antagonists. She has to hide this fact from Naruto while also trying to guide him to be a great ninja. This creates a lot of internal conflict for her and also adds an interesting layer of mystery to the story as Naruto might start to notice some strange behavior from her.
One plot idea could be Naruto discovers a hidden diary of his mother that reveals secrets about their clan. Another could be that his mother's spirit appears to guide him during a difficult mission. For example, Naruto is facing an enemy with a strange and powerful jutsu he can't figure out. His mother's spirit then gives him hints on how to counter it by using a long - forgotten Uzumaki technique.
One interesting plot idea could be exploring how Kaguya's presence affects Naruto's early life. Maybe she's in hiding and secretly guiding him, teaching him some unique jutsu that are related to her own powers. This could lead to Naruto having an even greater advantage against his enemies early on.
One idea could be that Naruto discovers his alien mother left him with special powers that are not from the ninja world. For example, he might have the ability to manipulate energy in ways unseen in the Hidden Leaf Village. Another plot could involve Naruto's search for his mother's home planet, leading him on an intergalactic adventure where he meets all kinds of alien species and has to use his ninja skills in new and unexpected ways.
One idea could be exploring Kaguya's past in more detail before she became the mother of Naruto's lineage. Maybe show her life on her home planet and what led her to consume the chakra fruit. Another could be a story where Kaguya somehow returns in Naruto's time and has to face the new world she helped create, with all its different ninja clans and jutsu.
Maybe a fanfiction where the mothers come back to life for a short time. Naruto and Sakura get to experience a mother - child relationship they never had. Their mothers could offer advice on their ninja training and personal lives. For example, Naruto's mother could teach him more about his Uzumaki heritage and Sakura's mother could give her tips on how to be a better medic - ninja.
One idea could be Naruto finding a hidden journal of his mother's that reveals family secrets. Another could be his mother appearing in a dream to give him advice on how to handle a difficult situation in the village. Maybe she could also guide him in learning a new jutsu that was passed down in the family.
One idea could be exploring Kushina's memories and how she passed on her strength and spirit to Naruto. For example, Naruto discovers a hidden journal of Kushina's that details her training and her hopes for him. Another plot could involve Naruto time - traveling back to when Kushina was young and getting to know her in a different way, perhaps even helping her in some battles and in turn learning more about his own family's history. A third idea is that Kushina's chakra somehow manifests in Naruto during a crucial battle, giving him an unexpected boost and a connection to his mother on a deeper level during the fight.
Well, one idea could be Naruto learning about the family values from the mother in the fanfiction. Maybe he discovers a new side of family life that he never had growing up. Another could be Naruto teaching the mother some ninja skills in return, creating a unique bond between them.