SISTAR has just released their teaser image for their upcoming comeback on April 12th!

In the teaser image released, titled 'red pictorial', the girls are seen standing against a red background wearing black leather outfits, transforming into beautiful femme fatale vixens. The group members give off a provocative stare, and are sure to capture the eyes of all the fans.

Netizens who saw the photo commented, "Is that really SISTAR?", "I feel as if I am going to fall into their deep eyes", and "Where did the energetic SISTAR go?� Who are these charming ladies?"

Their title track, "Alone", is reported to have been produced by Brave Brothers, who tried out a new sound specifically for the talented group, raising anticipation for their comeback.