Originality feels like it's in short supply, so it's a good thing the movie and game have taken off as well as they have.

Kpop Demon Hunters' has become Netflix's most-watched original animated film, amassing over 132 million views in less than two months.

"K-pop Demon Hunters," an American-made film, has gained a huge audience in South Korea, thanks to its nods to Korean folklore, pop culture and habits.