EXO

) Prior to their official debut, EXO released two prologue singles, "What Is Love" and "History", on January 30, 2012, and March 9, 2012, respectively. EXO's debut single, "Mama", was released digitally on April 8, followed by the mini album of the same name the next day. The two subunits promoted the album separately: EXO-K (made up of Suho, Baekhyun, Chanyeol, D.

O, Kai and Sehun) performed on SBS' Inkigayo in South Korea, whilst EXO-M (made up of Xiumin, Luhan, Kris, Lay, Chen and Tao) performed on Top Chinese Music Awards in Shenzhen, China. Promo photo for [[XOXO (EXO)|XOXO]] The group's first full-length album, XOXO, was released on June 3, 2013, in both Korean and Chinese versions—of which were promoted by their respective sub-units. The album's title track, "Wolf" featured vocals from all 12 members, whilst the rest of the album's tracks were recorded separately.

A repackaged version of XOXO, featuring the title track "Growl", was released on August 5. All three versions of XOXO cumulatively sold over 1 million copies, making EXO the first artist to achieve this in over 12 years. EXO released their first special album, Miracles in December, on December 9, 2013.

On May 7, 2014, EXO released their second mini album, Overdose, with its title track of the same name. Originally slated to be released on April 21, the album was pushed back in light of the [https://en. wikipedia.

org/wiki/Sinking_of_MV_Sewol Sewol Ferry tragedy] that occurred on April 16. Once again, the album was promoted separately by EXO-K and EXO-M, although an alternative version of the title track features vocals from all 12 members. The Korean and Chinese versions later ranked first and second on the Gaon Yearly Chart for 2014, with 385,047 and 272,718 copies sold, respectively.

Promo photo for [[Overdose]] Tickets for EXO's first concert tour, titled EXO from Exoplanet #1 – The Lost Planet, went on sale on April 16 and sold out in 1. 47 seconds, breaking the record for the fastest sell-out by a Korean artist. The tour began on May 23 at the KSPO Dome in Seoul and concluded on December 24 at Osaka-jō Hall in Osaka Japan, attracting over 320,000 fans.

A week after the release of Overdose, on May 15, member Kris filed a lawsuit against SM Entertainment for the termination of his contract, citing unfair profit distributions and disregarding artists' health. On May 21, SM Entertainment announced that Kris would not participate in the group's then-upcoming first concert tour and all of his member-specific merchandise was to be cancelled. On October 10, Luhan became the second member of EXO to file a lawsuit against SM Entertainment, citing health problems and the company's differential treatment between the group's Korean and Chinese members.

Thus, his participation in the group's concert tour was discontinued. EXO released their first live album, Exology Chapter 1: The Lost Planet, on December 22, 2014. By year's end, the group had become the best-selling Korean act in Japan for the year.

The group's second concert tour, EXO Planet #2 – The Exo'luxion, began on March 7, 2015, at KSPO Dome in Seoul, South Korea. The tour would see stops throughout North America and Asia before concluding in Seoul on March 20, 2016. Promo photo for [[Love Me Right]] On March 30, the group released their second full-length album, Exodus, in both Korean and Mandarin versions.

The album's title track, "Call Me Baby", was pre-released three days earlier. A rep...