- korean boy band -

Super Junior-M, often referred to as SJ-M, is the third official sub-unit of Korean boy band Super Junior. They are the first international music group in the Chinese music industry to have members of both Chinese and Korean descent, and are also the first group produced by Korea's CT (Culture Technology) organization, created through a comprehensive localization strategy. Super Junior-M consists of Super Junior members Han Geng (the leader), Donghae, Siwon, Ryeowook, Kyuhyun, and two non-Super Junior members, Henry and Zhou Mi.
Starting from April 4 to April 7, 2008, the seven members were individually released to the media in a chain of short trailer clips. Han Geng was the first member to be announced on April 4. On April 5, Siwon and Donghae were announced to be the second and third members. On April 6, Kyuhyun was announced to be the fourth Super Junior-M member, following a new member Henry as the fifth. Ryeowook was announced to be the sixth member on April 7 followed by rookie Zhou Mi as the final member. A trailer of all seven members was released on the group's debut day, April 8. Super Junior-M's trailer clips exceeded 1.4 million views in less than four days, garnering interest in both the Chinese and Korean audiences.