There are fanfictions that focus on his relationships within the Avatar universe. For example, his interactions with his subordinates and how those relationships evolve over time. This can add a lot of depth to his character.
Love against all odds is also prevalent. Since they are from different worlds in a sense, the idea of their love overcoming cultural and species differences is often explored. It makes for a very interesting dynamic as they face opposition from various sides.
Check out fanfiction communities dedicated to the Avatar franchise. People there often share and recommend good 'miles quaritch fanfiction'. They might also have forums where you can ask for specific types of stories about him.
"Thief husband!" It was a novel where the male protagonist traveled through time. He found himself thrown into the sewers by a mother and daughter. His body was a scoundrel before. I recommend this book to you to see if the male protagonist can show a different attitude and values after transmigrating. I hope you like my recommendation. Muah ~
Naruto could also be a bit angry at first. Angry that she had been away from him all this time. But then that anger would quickly turn into overwhelming love and relief. He would have so many questions to ask her about why she wasn't there as he was growing up, but at the same time, he would be so glad to have her there now.
One popular fanfiction might be 'Miles Quaritch's Redemption' where the relationship between Miles Quaritch and the reader develops in a post - Pandora conflict setting. It delves deep into his character transformation and how the reader impacts it.
At first, Naruto might be a bit hesitant. He's not used to having something so personal from his parents. But then, his curiosity would get the better of him, and he would slowly unroll the scrolls, his hands trembling slightly as he realizes that he's about to learn things he has always dreamed of knowing about his parents.
He might face some initial instability. His body could reject the changes at first, leading to things like loss of control over his movements or chakra.
Well, it could be about Harry Potter finding a will left by his parents. Maybe in this fanfiction, the will contains secrets about his family, his heritage, or some sort of magical items or powers that were meant for him. It might also reveal things about his parents' past and their relationships with other characters in the wizarding world.