Late K-pop singer Sulli's former bandmate Luna opens up about her death on TV show

Former South Korean girl group f(x) member Luna (left) opened up about her own mental health and grieving over the death of Sulli (right). Photos: Instagram/Luna, Instagram/Sulli

Luna, a former member of South Korean girl group f(x), is grateful for the support she received from fans after she appeared in Korean television company MBC's Human Documentary: People Are Good, a series featuring people and their stories.

The 26 year-old singer debuted alongside f(x) bandmates Victoria, Amber, Krystal and Sulli in 2009 under SM Entertainment, and left the company after her contract expired last year. She is currently active as a solo singer and a musical actress.