According to their Japanese site, the girls will be releasing new single "Galaxy Supernova" on September 18th along with the live DVD of their 2nd Japanese tour!

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'Galaxy Supernova' will contain two songs, the title song "Galaxy Supernova" as well as "Do the Catwalk". Stay tuned on allkpop for more information on "Galaxy Supernova"!

[Thanks to everyone who sent this in!]