"girlhood" is a group of nine girls launched by South Korea's S.M. Entertainment Company in 2007. Members are composed of 9 female senior high school students, aged 10 generation. They include Kim TaeYeon, Jessica, Li Shungui, Huang Meiying, Jin Xiaoyuan, Yuri, Choi Soo Young, Lin Yunyi and Seohyun. The first single "The World of Reunion" was listed in Korea on August 2, 2007, and officially debuted on August 5. Since her debut as a girl, she has shown a strong momentum of rewriting the Korean women's group in the history of Korean music. The name of girlhood is taken from the meaning of the coming girlhood-dominated era. Members of girlhood are singers, actors, presenters, DJs and other talents. At present, South Korea and Japan are the main activities.

On the representative color of aid: pink rose aid: pink rose heart-shaped balloon pink rose balloon aid slogan: now is girlhood, then girlhood, always girlhood! Fan name -SONE Chinese: Long-cherished pronunciation: Su Yuan Meaning: So stands for girlhood, girlhood romanization (used by Koreans) help balloon.

That's it. Nyeo Shi Dae One stands for Qi Xin, a fan. O, who has long wanted to be with fans in her girlhood, is represented by a heart shape, and the auxiliary of her girlhood is a pink rose heart-shaped balloon.