SEE ALSO: April's Jinsol, Rachel, & Chaewon look sporty chic in new teaser images for 'The Ruby'

On the evening of October 7, the group's agency DSP Media released teaser images featuring all six members - Jinsol, Naeun, Yena, Chaekyung, Chaewon, and Rachel.

In the first image, Jinsol and Naeun boldly glance into the camera in matching black athleisure looks, giving off an aura of charisma and confidence. In the second, the remaining members pose together an equally sporty black-and-white looks, giving fans a taste of a concept their agency is describing as something unseen from the group before.

April plans to continue dropping teasers ahead of their sixth mini album's October 16 release, including the official tracklist, a highlight medley, an art film, and more.

Stay tuned for more information about their album 'The Ruby,' and see the full teaser images below!