(Prior to the establishment of the Gaon Chart in 2010, South Korea's 音楽 charts were supplied によって the 音楽 Industry Association of Korea (MIAK), which stopped compiling data in 2008. There are no known cumulative chart records for digital singles prior to 2010.)
The Best-selling Singles [Only Idols]
You and I によって IU(アイユー) (2011) - 6.07 million
Through the Night によって IU(アイユー) (2017) - 5.0 million
Good 日 によって IU(アイユー) (2010) - 4.78 million
Trouble Maker によって Trouble Maker (2011) - 4.43 million
Roly-Poly によって T-ara (2011) - 4.37 million
Nagging によって IU&Lim Seulong (2010) - 4.13 million
Gangnam Style...
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