90[1] is the debut album of Korean rock band South Club.

They released their first single, "Hug Me" on May 26, 2017,[2] which was then followed by their studio album released on June 27, 2017[3] under the record label South Buyers Club.

The album was mainly composed and produced by Nam Tae-hyun, who is also the leader of the band.

On June 22, 2017, Nam uploaded a teaser of the album cover and also announced the release date of the album,[4][unreliable source?]

With double title tracks "I Got the blues" and "Liar".