Han (cultural) - Wikipedia
Ross Zurowski

The idea of han and its association with Korean identity are relatively recent, originating during the Japanese occupation of Korea from Japanese colonial stereotypes and the characterization of Korean art and culture as "sorrowful" by Yanagi Sōetsu. Yanagi's theory, called the "beauty of sorrow", has received criticism in both Korea and, more recently, Japan, and has been criticized as "under-theorized" and "prejudiced".