ZE:A's Park Hyung Shik shared a new selfie along with K-Pop group NASTY NASTY.

Park Hyung Shik shared on his Twitter account on September 12th, "I was at NASTY NASTY's performance recording, and my jaw dropped."

In the accompanying photo, the four label-mates showed cool poses that delighted their fans and followers.

In the photos ZE:A's Kevin and Park Hyun Shik are very close to each while Nine Muses's Sojin and Kyungri are showing off their fierce looks.

Park Hyung Shik wrote on his Twitter account, "Kevin, Kyungri, and Sojin all looked fabulous! Please listen to their song, and show huge support."

The Co-Ed unit group NASTY NASTY made their debut with the single "Knock" on September 3rd.