The story of LTL is how an "ugly" girl with a pure heart wins the heart of a handsome Don.
At the beginning, I think we can honestly say Naku was not attractive looking at all. Frizzy hair, dark, dark soot cover, connect the dots unibrow, and the stained teeth. Slowly, we began seeing little improvements, teeth less stained, hair less frizzy, a slight change in skin tone. And then it became more pronounced -- reddish/brown hair, lighter eyes, lighter skin tone. These little changes, carefully made in increments, made her attractive to the point where the only thing that can be said about her is that she is dark. With beautiful features.
So why was this change necessary given the whole point of the show? Why was her appearance improved? To make it less repulsive to new viewers? To make the romance more credible? The original Naku was just too much for audiences? Note that these are not my thoughts per se, but rather some possibilities.
If it is partly a matter of the possibilities above, does that not say something right there? And what does it mean for the story, its main point or essence?
Please let me know your thoughts. It's an interesting topic, and I'd love to get your perspective on it. 😃