New girl group Apple.B released another individual teaser video, introducing 2nd member Sandy!

In the video, Sandy can be seen drinking something out of a cup with a picture of apple printed on it. Also, she circles a specific date on the calendar, but we don't know what the date means just yet.

Stay tuned for more teasers on the other members! Apple.B's debut single album is set for release this August 1. 

SEE ALSO: Rookie girl group Apple.B countdown to their official debut with 1st member Yuji