SUPER JUNIOR Heechul chooses AOA as Super Junior's biggest rival group.
KBS 2TV’s 'Entertainment Weekly', which was boradcasted on August 30, Super Junior members had an interview with the reporter of the program.
During the interview, the reporter asked "if there was a group that seems like a threat to Super Junior?", Heechul immediately responded without any hesitation “AOA”.
Heechul added saying, “When I see a really pretty person, I get mad.”