Sulli, born Choi Jin-ri on March 29, 1994, was a South Korean singer and actress. She gained fame as a member of the girl group f(x), which debuted in 2009 under SM Entertainment. Sulli was known for her bright personality and unique style, contributing to the group's success in the K-pop industry. In addition to her music career, Sulli pursued acting, appearing in various television dramas and films. She was recognized for her roles in projects like To the Beautiful You and Real. Sulli was also an advocate for mental health awareness, openly discussing her struggles with anxiety and depression.