"Tick Tack" is the first Japanese single released by South Korean boy band U-KISS. It contains the track with the same title as the first Japanese single of the group. It was released on December 14, 2011 in Japan by Avex Trax Group of Companies.
From June 8, 2011, the group went to stay in Japan for 3 months to prepare for their official Japanese debut by which they are eyeing to set themselves on the Oricon Chart. On May 2011, U-KISS formally signed under Avex Japan for their Japanese debut with a following release of a full Japanese album called First Kiss which was a compilation of all their songs from their debut album up until their Break Time album, the Japanese version of Bran New Kiss, and their DVD's from their First Kiss Live in Osaka. The group held their formal debut in the country with a release of this album. On November 18, 2011 Japan’s Fuji TV Network revealed a preview for the video, and it’s generated high levels of anticipation from fans. On November 23, the full track of "Tick Tack" leaked online, while the Full video leaked on December 5, 2011 but it was made private by the uploader after a while due to copyright claim. However the full music video, along with the digital single was released through U-KISS official YouTube account on December 6, 2011.
On December 14, the official Japanese debut of the group performed a full live performance of "Tick Tack" on the Japanese TV show, Made in BS Japan. Many fans are paying attention to their promotion activities. However, this will not be the first time U-KISS has been to Japan, where Avex Group had previously held a sold-out U-KISS fan meeting and released the licensed version of their fifth mini-album Bran New Kiss last August. A part of the song was also performed in Paris, France as part of the Music Bank World Tour that as held in Palais Omnisport de Paris Bercy. The performance was televised on KBS on February 18, 2012.
On December 14, 2011, it was revealed that their single had placed third on the Oricon daily singles chart. Not only that, but their limited single has already been sold out on the first week, making it impossible for fans to grab their hands on another copy. Following a day after, U-KISS' "Tick Tack" ranks first on Tower Records chart. "Tick Tack" also had placed in the top fifth on the Oricon Weekly Charts alongside Kara's Super Girl and Big Bang's Best of Big Bang