One of the attractions of K-pop groups is there are numerical as well as qualitative advantages to them. The popular Girls’ Generation has nine members - Sunny, Tiffany, Taeyeon, Seohyun, Yoona, Yuri, ...
Super Junior-M is a sub-unit of Super Junior formed in 2008 to focus on the Chinese market. The current active members are Eunhyuk, Siwon, Donghae, Ryeowook, Kyuhyun and Zhou Mi.