Hyun Jyu-ni debuted as the frontman of the four-member girl rock band BellaMafia, which released the album Overstep in 2008.
TV director Lee Jae-kyoo spotted her in the musical Bandits and cast her as a flutist in his television series Beethoven Virus.
Hyun had played the flute from a young age, and was previously a member of the Seoul Youth Chamber Orchestra.
[2] In 2020, Hyun became the female lead actress for the first time in her career in the 120-episode SBS morning drama Mom Has an Affair.
[2]On January 28, Mamadol then released their debut digital single "Mama The Idol" Hyun married an entrepreneur on December 13, 2012 in a private ceremony held in Guam.