Girl group LABOUM will unveil its new song "Firework" comeback stage for the first time through "M Countdown" at the same time as its comeback is released today.

LABOUM will make a splendid comeback by unveiling its new song "Firework" for the first time in about nine months on Mnet's "M Countdown," which will air on Sept. 19. Also, LABOUM will open its music and music videos through offline and online music sites at 6 p.m. prior to its comeback stage.

Previously, LABOUM released a series of photo-takers, music video teaser and highlight medley, heralding a colorful visual and intense performance, and fans' expectations are rising further as it is scheduled to unveil its first "Firework" comeback stage today.

Meanwhile, LABOUM, which has been active by each member including drama, entertainment and OST, will make a comeback after about nine months on Sept. 9, unveiling its music and music videos through offline and online music sites at 6 p.m. In addition, all the members will participate in the album's work to improve the album's maturity and make a splendid comeback with a more powerful performance.