To promote the album, the group starred in a South Korean reality television program titled "Channel Girls' Generation". They embarked on Girls' Generation's Phantasia, a concert tour which started on November 21, 2015 in Seoul. With this achievement, Girls' Generation became the first South Korean girl group to hold a fourth concert tour. The group also concurrently embarked on their 4th Japan Tour, which commenced on December 12, 2015 at Nagoya. The Gaon Music Chart announced that Girls' Generation was the most successful girl group of South Korea in 2015. In August 2016, to commemorate the group's ninth anniversary, S.M. Entertainment released a single titled "Sailing (0805)". The lyrics were written by member Sooyoung, highlighting the relationship between the group and their fans.