Critics from Common Sense Media and Wikipedia highlight several recurring motifs:
The love triangle is not a simple "good brother vs. evil brother." Both princes are morally gray, and Nina’s heart becomes a battlefield between the man who created her lie (Azure) and the man who knows nothing but the truth of her spirit (Sett). Hoshifuru Oukoku no Nina
The emotional core of Hoshifuru Oukoku no Nina lies in the complex, magnetic dynamic between Nina and the two most powerful men in the kingdom. Critics from Common Sense Media and Wikipedia highlight
: The "tyrant" First Prince of Galgada; initially cold and dangerous, he becomes the third point in a complex love triangle. Central Themes initially cold and dangerous