Girl group GWSN returned with their new album, has topped the music sales chart.

According to the real-time album sales ranking released by Hanteo Chart, the largest Korean music sales website, "THE PARK IN THE NIGHT Part Two," the second mini album of the GWSN album, was the top seller of the album.

The GWSN also topped the real-time music sales chart with their debut album "THE PARK IN THE NIGHT Part One" in September last year, has successfully topped the music sales chart for two consecutive albums.

In addition, GWSN will hold "Twitter Blue Room Live Q&A" to mark the release of their second mini album "THE PARK IN TIGHT Part Two" on their official Twitter account from 7 p.m. on 18th.

Blue Room Live is a live broadcast program where stars and celebrities from various fields, including K-pop, exchange questions in real time with Twitter users around the world.

Especially, GWSN will make their comeback with the release of new mini album, "THE PARK IN THE NIGHT Part Two," while the GWSN will talk about more affluent themes ranging from the introduction of the title track "Pinky Star," a behind-the-scenes story about their comeback and determination for future activities.

GWSN staged their first week of successful comeback amid fans' enthusiastic response, will continue their brisk activities this week, starting with a recording of Arirang TV's "Simply K-Pop."