After yet another K-pop death, the focus turns to the challenges faced by the 'perfect' stars of the industry

K-pop couple Goo Hara and Sulli proved to be remarkable in an industry where celebrities face immense pressure to present themselves as the immaculate picture of joy.

The close friends have been honest about who they were towards the end of their lives. As a good boyfriend or girlfriend, they didn't try to assume a character. They've been talking their minds. They were unsuccessful.

Goo's death on Sunday, six we....