Lee Chae Yeon has dropped her music video for "Knock".

In the charming MV, Lee Chae Yeon takes on a colorful, modern concept as she finds a magical drink and dances in front of mirrors. "Knock" is the title song of her 2nd mini album 'Over the Moon', and it's a confident message about knocking on someone's heart first without waiting.

Watch Lee Chae Yeon's "Knock" MV above, and let us know what you think in the comments below.