Unfair (song)

"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.

Background and release
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".

Promotion
Exo began performing the song "Unfair" on Korean music shows from December 18.

Reception
"Unfair" debuted as number ten on Gaon Digital Chart, and at number nine at Billboard's US World Digital songs. The song is the first K-pop song to be ranked in the Best of the Week curation playlist of US's Apple Music.

Credits and personnel
Credits adapted from the EP's liner notes.

Studio
 * SM Blue Ocean Studio – recording, mixing
 * Doobdoob Studio – recording, digital editing
 * In Grid Studio – recording, digital editing
 * Sterling Sound – mastering

Personnel
 * SM Entertainment – executive producer
 * Lee Soo-man – producer
 * Kim Young-min – executive supervisor
 * Exo – vocals
 * Deanfluenza – Korean lyrics, composition, vocal directing, background vocals
 * DeerJenny – Chinese lyrics
 * Beat&Keys – producer, composition, arrangement
 * Kim Jin-hwan – vocal directing
 * Lee Joo-hyung – vocal directing, additional Pro Tools performing
 * Kim Cheol-sun – recording, mixing
 * Jang Woo-young – recording, digital editing
 * Kim Hyun-gon – recording
 * Jeong Eun-kyung – recording, digital editing
 * Tom Coyne – mastering