EXO-K is a South Korean boy band formed by S.M. Entertainment in April 2012, a sub-unit from the main group EXO, divided into two subgroups, EXO-K and EXO-M, promoting in South Korea and China separately. EXO-K composed of six members: Suho, Baekhyun, Chanyeol, D.O., Kai and Sehun. Their prologue (promotional) single "What Is Love" was released on January 30, 2012. Their second single "HISTORY" was released on March 8, 2012. On April 8, 2012, the group released their third single "MAMA", before releasing their debut extended play MAMA the next day. All three singles were included in the extended play. On 1 April 2014, SM Entertainment announced that EXO will be having a comeback on April 21 in the form of their two sub-units. The company then began to reveal individual teaser photos. The title track of the upcoming album was revealed to be "중독 (Overdose)". The album was delayed due to the Sewol Ferry Accident on April 16, and was instead released on May 7. 중독 (Overdose) won Album of the Year during the 2014 Mnet Asian Music Awards. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.