S.I.S have dropped their music video teaser for "Don't Wait"!

In the MV teaser, the S.I.S members each smile against a beautiful, countryside backdrop. "Don't Wait" is the girl group's fourth single album, which drops on July 31 KST.

Watch S.I.S' "Don't Wait" MV teaser above, and let us know what you think in the comments below.