LOONA and Ryan Jhun have dropped a new teaser clip for their single "Not Friends."

In the dramatic teaser clip, LOONA members Heejin, Kim Lip, Jinsoul, and Yves battle it out with one another in a gunfight. These girls are like the heroines of an intense action film. 

"Not Friends" is the second single from producer Ryan Jhun's ongoing music project 'MAXIS,' and he's collaborating with LOONA members HeeJin, Kim Lip, JinSoul, and Yves.

LOONA x Ryan Jhun's "Not Friends" drops in a few hours on September 3 KST. Check out the MV teaser above, and let us know what you think in the comments below.