The tour was officially announced by their company S.M. Entertainment on October 15, 2015, with two dates in Seoul at the Olympic Gymnastics Arena. This made Girls' Generation the first K-pop group to headline four concert tours. Back in August 11, 2015, Girls' Generation announced their fourth Japan Tour will start from December 12, 2015 in Nagoya with six dated in Nagoya, Kobe and Saitama. On November 17, 2015 it was announced on Girls' Generation's official Japanese fanclub website that the separate Japan tour announced in August 2015 would be titled Girls' Generation 4th Tour -Phantasia- in Japan and the tour dates already announced would be part of their 4th tour. The tour was directed by choreographer Rino Nakasone. As of October 2016, the tour became the 6th highest grossing girl group tours concert of all time, generating $22.3 million.