Girl group SIS will be back with their third single album.

SIS’s Agency Double X Entertainment said "SIS will make a comeback with their new song "Always Be Your Girl" on March 6. We hope that SIS will transform itself," he said in an official SNS channel.

According to the scheduler, SIS will release various contents including photo teaser, tracklist, music video teaser and others in sequence on the 25th.

SIS made their debut with single "I Feel You" in 2017 and has completed successful overseas activities in Japan and Malaysia as well as steady album activities such as "SAY YES” and "Sad Love Story”

Especially, the first fan meeting of SIS held in December 2018, "SIS Land," which was sold out in just five minutes after the opening of the ticket, proved public interest.

SIS's " Always Be Your Girl " will be released on March 6 at 6 p.m. on various music websites.