Rookie girl group FIESTAR's debut song "Vista" will feature JYJ member Junsu.

LOEN Entertainment stated that Junsu will be acting in their debut song music video.

Today, LOEN released a music video teaser on their official YouTube channel. The 30 second teaser showed a charismatic Junsu.

The music video will also feature super stars that most are familiar to such as Darth Vadar, Wonder woman, Batman, etc.

FIESTAR is a multi-national group and has trained for 2 years before their debut.