On August/0/day, 2007, the first MV of girlhood, The World of Reunion, was officially released [1 4-15]. On August 2nd, as a girl, she recorded "Popular Songs" in SBS Hall in Seoul, and held a small fan meeting at the recording site. On August 3rd, the first single of girlhood, The World of Reunion, was officially released [16]? . On August 5th, "Popular Ballad" was broadcast, and the girlhood officially debuted with the song "The World of Reunion". On August 6th, I participated in the radio program "Kiss the Radio" for the first time as a girl. August 10, the first national autograph session was held. 1 65438+1October1,girlhood officially released its first album of the same name, girlhood [3]? . 165438+1October14th, a regular autograph session was held in Longshan, Seoul. On February 6th, 65438, I attended the 9th China-Korea Song Festival and came to Beijing for the first time.