Related Information for So Nyuh Shi Dae Girls' Generation (Korean: 소녀시대; Japanese: 少女時代) is an eight member girl group from Seoul, South Korea formed in 2007 by SM 엔터테인먼트. The group debuted on SBS Inkigayo on August 5, 2007, performing their first single, 다시 만난 세계 (Into the new world). The members are (in order of official announcement): 윤아 (Yoona), 티파니 (Tiffany), 유리 (Yuri), 효연 (Hyoyeon), 수영 (Sooyoung), 서현 (Seohyun), 태연 (Taeyeon), and 써니 (Sunny). They are.. read more