Heize is gearing up to make a comeback!

On June 19 KST, P NATION unveiled a concept teaser promoting Heize's upcoming 2nd full-length album 'Undo.' In the image, the singer is seen with windswept hair as she poses in front of a large lake with a blue sky and a mountain seen in the background. 

Meanwhile, 'Undo' is set for release on June 30.

Check out the full teaser below!