YunJee Kim (a.k.a NS Yoon-G) is a Korean-American actress and former singer based in the Republic of Korea. She performed under the stage name NS Yoon-G and debuted in 2009 with the digital single "Head Hurts". She is now with VAST Entertainment. YunJee was born in Seoul, the Republic of Korea on September 6, 1988 and moved to San Fernando Valley, California in the 4th grade. She entered the UCLA majoring in Dance and Communication, but took a leave of absence after a year to pursue her career in entertainment in the Republic of Korea.