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Mr. Simple

Singles from Mr. Simple "Mr. Simple"Released: 2 August 2011"Superman"Released: 22 August 2011Repackaged edition coverDigital coverSingles from A-Cha "A-Cha"Released: 19 September 2011Mr. Simple (reissue name A-Cha) is the fifth studio album by the South Korean boy band Super Junior.

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