South Korean pop star group New Jeans surprised fans at its Tokyo concert with a cover of a beloved Japanese '80s hit, sparking a viral buzz back home. NHK World's Aoki Yoshiyuki unpacks why Japanese ...

South Koreans who secretly loved Japanese pop songs in their youth are reveling in nostalgia amid a revival for Showa-retro tunes from the 1970s and ’80s. Their renewed popularity has sparked an era ...