 A month afterward, Pony Canyon uploaded a 45-second teaser of Heo's lead track "1.2.3" on YouTube, on September 17.In addition, a launch exhibition was held from September 18 to 24 at Tower Records Shibuya's lounge to promote the album.Four months after the release of his mini-album in South Korea, Heo released "Overjoyed" on September 19, 2012.