Sulli

Choi Jin-ri (March 29, 1994 – October 14, 2019), better known by her stage name Sulli, was a South Korean singer-songwriter, actress and model. She played the young Princess Seonhwa of Silla in the SBS drama "Ballad of Seodong" (2005).
In 2009, Sulli became a member of the South Korean girl group f(x). She left the group in 2015 to focus on her acting career. She made her solo debut album in June 2019 with the single album "Goblin". 
Sulli killed herself at her Seongnam apartment on October 14, 2019 at the age of 25. She suffered from depression and was a victim of constant cyber bullying.