The niche they carved out in the Japanese entertainment industry is now filled by popular idol groups like AKB48, Nogizaka46, and Momoiro Clover Z. But the idol industry has a dark side.

1ST REGULAR PROGRAM OF ITS KIND IN JAPAN “It’s a pleasure sharing K-pop and South Korean culture, and I also feel a responsibility,” Tsuki said. As a child, she was fascinated by K-pop after ...