I given you a thumb up, but still I don't agree that racism and nationalism in this novel is only a small undercurrent. Its a huge part of this novel and it is very, very exposed, because author not only portrays that some races/nations as incompetent or antagonistic, but except-Koreans ALL of them. Also, some nationalities are labeled directly as pedo*#*iles or n*cr**#*iles, so in my opinion it is a crossing of a certain line know as n*#*i ideology.
If you wish to see nationalism in a Korean novel as ONLY undercurrent, then read Martial God Regressed to level 2. There is shown as undercurrent, where author portrays entire world as incompetent and evil fools, but he is not labeling them with certain "sins" as this one does!
But in one thing you are completely right, racism and nationalism in a Korean novels is more and more visible and frequent!
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If you wish to see nationalism in a Korean novel as ONLY undercurrent, then read Martial God Regressed to level 2. There is shown as undercurrent, where author portrays entire world as incompetent and evil fools, but he is not labeling them with certain "sins" as this one does!
But in one thing you are completely right, racism and nationalism in a Korean novels is more and more visible and frequent!