Emotional depth with Naruto and Itachi usually comes from exploring the massive gap in their life experiences and then finding points of connection. The best ones don't just throw them together as brothers; they make Naruto's relentless optimism confront Itachi's profound, self-inflicted tragedy in a way that changes both characters. A story called 'Reverse' stuck with me for years—it's a role-reversal AU where Naruto is the one who has to carry out the Uchiha massacre, and Itachi becomes the jinchuriki. The emotional weight isn't just in the angst, but in how Itachi's calculated mind tries to understand Naruto's completely alien pain.
Another is 'Broken Wings' by Livezinshadowz, though I'm not sure it's still up. It starts post-war with a psychologically shattered Naruto, and a redeemed but guilt-ridden Itachi acting as his reluctant caretaker. The depth comes from the silence and the things they don't say; Itachi communicating through small, practical gestures while Naruto is just hollow. It’s less about dramatic confession and more about the slow, painful process of two broken people learning how to exist again, which hits harder than any grand reunion fic.
I tend to avoid the super popular soulmate or time-travel tropes for this pairing, as they often prioritize convenience over genuine emotional excavation. The real gems are the ones where their relationship, whether fraternal or something else, feels earned through shared trauma and quiet understanding, not just assigned by the plot.