"
One of a Kind" was released as a promotional single on August 24. "
That XX" and "
Crayon" were later released as first and second singles off the EP. Originally, the song "Without You" had a featuring first credited as "? from YG New Girl Group", when it was first announced that YG was starting a new girl group. Almost four years after the EP was released, the featuring vocals were revealed to be
Rosé from said new girl group,
Blackpink. G-Dragon held a live-stream to countdown to and celebrate the release of the EP through
Naver's Line TV, with guests Lydia Paek,
Taeyang, producer Choice37, and rapper-producer
Tablo of
Epik High. G-Dragon embarked on his first world tour, the
One of a Kind World Tour, in support of the EP which marked the first time for a Korean soloist to hold a Japanese dome-arena tour. Many of his YG label-mates made special guest appearances on various stops throughout the tour, including his bandmates
Big Bang, as well as
2NE1,
Tablo,
Lee Hi, and
Akdong Musician. The tour began on March 30 and concluded on September 1, 2013, at
Olympic Gymnastics Arena in
Seoul,
South Korea. ==Critical reception==