SISTAR19 has released teaser photos for their comeback!

The girls had been expected to make a January comeback, and staying true to expectations, the girls just recently released photos from their new album.

Through the photos,�Hyorin and Bora show off their S-line on a bed, teetering on the border between�innocence�and sensuality.

Their label said, "Fans have been waiting for a long time for SISTAR19's unit project. The girls put their best into this to give back to their fans' support. They will show you their best, not only in music but in all areas."

SISTAR19 will be releasing their song on January 31st. Check out the other photos below!

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