LIGHTSUM continues to prepare for its first comeback and released new teaser clips. The girl group will be making a comeback with their upcoming 2nd single album, 'Light a Wish.'

Coming up next month on October 13 at 6 PM KST, LIGHTSUM's 2nd single album contains a total of 3 brand new tracks. The group's comeback title track is "Vivace," a term in classical music which describes a fast and lively tempo. The album also includes b-sidetracks "You, Jam" and "Popcorn."

Just a day before, the girl group released an audio snippet in preparation for their second single. Then on October 8 at midnight KST, the girl group released the music video spoiler for "Vivace." 

Stay tuned for even more details on LIGHTSUM's first official comeback since its debut, and check out the teaser video above.