Girl's Day (걸스데이) KOREAN Girl’s Day – Girl’s Day World (Intro) Girl’s Day World (Intro) “Girl’s Day World (Intro)” [Album] Expectation 2013.03.14 SoJin, Yura, MinAh, HyeRi Lyrics/작사: 소진, 권선익, 최도관 Composer/작곡: 소진, 코스믹…