Sika: In February 2000, she traveled to Korea with her family, and when she and her sister Jung Soo Kyung were shopping at the local Lotte Department Store shopping mall, they were accidentally spotted by an SM talent scout who was on the sidewalk, and the sisters were invited to enter the company as trainees together;
sunny: In 1998, she joined
Tiffany: In October 2004, Pani participated in the Starlight Casting held by SM in Los Angeles and won the first place in the USA-LA competition, then she was discovered by SM scouts and entered SM as a trainee;
Hyoyuen: In July 2000, in the "2000 SM Starlight Open Casting", Hyoyuen pestered her mom to bring her to SM to participate in the selection in order to meet her idol, H.O.T., and she was selected by SM to become a trainee.
Yuri: In October 2001, she joined SM as a trainee after winning the "Best Dance Book Award" in the first SM Entertainment Youth Best Audition;
Soo-young: In 2000, she was discovered by S.M. Entertainment and joined the company as a trainee, and in January 2002, she left SM and became a trainee. In January, Soo Young left SM and traveled to Japan on her own to participate in the Japan-Korea Super Idol Duo Audition, which was held by TV Tokyo's talent show ASAYAN (Asakusa Bridge) to promote Japan-Korea friendly relations. In the competition, she beat 7194 competitors from Korea and won the final Korean group, and thus debuted in a two-member girl group Route 0 with the winner of the Japanese group **** in the same audition, which was disbanded in July 2003, and then returned to work as a trainee for S.M. Entertainment;
Yoona: In May 2002, she took part in a contest for SM Seoul, and then became a trainee for S.M. Entertainment.
Yoona: In May 2002, she participated in the Saturday Open Casting Audition held by SM in Seoul and sang WAX's "Please", danced to Britney Spears' "Oops...! I did it again" and Bao's "Valenti", and then entered SM as a trainee
Seohyun: In February 2003, while riding the subway in Seoul, SM's talent scout found, and then entered SM as a trainee.