FIFTY FIFTY is ready for a new beginning with new members.

On August 9 at midnight KST, the group unveiled the new member introduction teaser clip titled 'HELLO FIFTY FIFTY.' In the new film, the new members enjoy their time together in the tranquil aura against the green backdrop.

Meanwhile, FIFTY FIFTY will unveil their 2nd mini-album on September 20 at 1 PM KST along with a showcase for their re-debut.

SEE ALSO: FIFTY FIFTY radiate their angelic beauty in the second official music video teaser for "SOS"