Tick Tock 2Nite

"Tick Tock 2Nite" (チクタク☆2NITE) is the 8th single by the Japanese girl idol group 9nine, released in Japan on December 21, 2011, on the label SME Records (a subsidiary of Sony Music Entertainment Japan).

The physical CD single debuted at number 12 in the Oricon weekly singles chart.

Background
The song "Tick Tock 2Nite" was the theme song of a Ranma ½ live-action TV special (dorama) titled Ranma ½ Live-action Special and premiered in Japan on NTV on December 9, 2011.

Release
The single was released in four versions: three limited editions (Limited Edition A, Limited Edition B, and Limited Edition C) and a regular edition. Each edition had a different cover. All the limited editions included a bonus DVD.