What is "u;nee"

Lee Hye-Ryeon (이혜련), name changed to Heo Yun (허윤), best known as U;Nee (; May 3, 1981 – January 21, 2007), was a South Korean singer, rapper, dancer and actress who was found hanged at her apartment having committed suicide.

Before dedicating her career to music, she was known by her birth name Lee Hye-Ryeon. She legally changed her name to Heo Yun. After her debut as a singer, she used the second stage name U;Nee professionally until her death.