"Unfair" is a song by South Korean–Chinese boy band Exo, released on December 10, 2015, as a single from their fourth extended play Sing for You.
It was released in both Korean and Chinese versions by their label SM Entertainment.
[2] Produced by Beat&Keys, "Unfair" described as a "pop" song with a trendy and bright melody with lyrics about a guy speaking his feelings to the girl he loves and describing her as "unfair".
[3] Exo began performing the song "Unfair" on Korean music shows from December 18.
[4][5] "Unfair" debuted as number ten on Gaon Digital Chart,[6] and at number nine at Billboard's US World Digital songs.