Sistar will be joining the comeback lineup for June.

An official in the music industry said,"Sistar is currently working on their comeback while aiming for a mid-June release. They're currently undegoing post-production and is entirely focusing on their title track".

This will be Sistar's comeback after 10 months since their special album 'Sweet & Sour' last year.

This new is attracting much attention as they will be up against Girls' Generation who also reportedly to return in June.