ul : ▁NS 윤 지 ) ▁and ▁deb uted ▁in ▁ 2 0 0 9 ▁with ▁the ▁digital ▁single ▁" Head ▁Hur ts " ▁under ▁J TM ▁Entertainment . ▁She ▁is ▁now ▁with ▁V AST ▁Entertainment . ▁The ▁" NS " ▁in ▁her ▁name ▁initially ▁stood ▁for ▁" New ▁Spirit ", ▁but ▁was ▁later ▁changed ▁to ▁" New ▁Star ". ▁Y oon - ji ▁used ▁her ▁Korean ▁name ▁as ▁a ▁part ▁of ▁her ▁stage ▁name ▁as ▁she ▁found ▁" Christ ine " ▁too ▁difficult ▁for ▁Korean ▁people ▁to ▁pron ounce . ▁ ▁Biography ▁Y oon - ji ▁was ▁born ▁in ▁Se oul , ▁the ▁Republic ▁of ▁Korea ▁on ▁September ▁ 6 , ▁ 1 9 8 8 ▁and ▁moved ▁to ▁San ▁Fernando ▁Valley , ▁California ▁in ▁the ▁ 4 th ▁grade . ▁She ▁entered ▁the ▁U CLA ▁major ing ▁in ▁Dance ▁and ▁Communic ation , ▁but ▁took ▁a ▁leave ▁of ▁absence ▁after ▁a ▁year ▁to ▁purs ue ▁her ▁career ▁in ▁entertain ment ▁in ▁the ▁Republic ▁of ▁Korea . ▁After ▁initially ▁joining ▁D SP ▁Media ▁as ▁a ▁tra ine e , ▁she ▁deb uted ▁with ▁J TM ▁Entertainment ▁with ▁a ▁single ▁" Head ▁Hur ts ". ▁ ▁She ▁recorded ▁the ▁English ▁version ▁of ▁" You ▁Make ▁Me ▁Happy " ▁for ▁F resh ▁Pre tty ▁C ure ! ▁in ▁about ▁ 2 0 0 9 . ▁ ▁On ▁November ▁ 1 , ▁ 2 0 1 2 , ▁Y oon - ji ▁released ▁a ▁digital ▁single , ▁" If ▁You ▁Love ▁Me " ▁featuring ▁Jay