The Hanryu (Korean Wave, 韓流, also called Hallyu) boom seems to have faded in Japan. That may have something to do with the diplomatic chill that has settled again between the two countries. Or it may just be that fads fade.
Teenagers in Turkey are now going gaga over K-pop and K-drama, according to this article:
“‘Hallyu’ (Korean Wave), an expression first coined by Chinese journalists to describe the massive increase in popularity of South Korean cultural products over the past 10 years. Fueled by a strategic effort by the South Korean government to fend off the encroachment of Japanese culture and bolster the South Korean economy, the nation’s pop music and soap operas (K-pop and K-drama) have found a particularly ardent fan base in Turkey…”
Read the article to find out why.