Actually GaaNaru has a lot of the same potential pitfalls/challenges as NaruHina, ie that Gaara thinks Naruto may have literally hung the moon and the stars, is the reason the sun shines in the sky, and makes the world spin.
Gaara: wow I can’t believe Naruto invented smiling and being a good person
And darling Naruto, he means well, but he is oblivious to subtext and occasionally even to outright communication. Even less than Hinata, I don’t think Gaara is communicative by nature. So that would be a challenge.
I also like the orangey-red palette! A+++ aesthetic.