AOA launched the concept teaser for "Angel Knock"

AOA launched the concept teaser for "Angel Knock".

AOA will be making their return with two tracks title, "Excuse Me" and "Bing Bing", along with a concept of image for each song.

Bright concept group photo of "Excuse Me"; Black concept group photo of "Bing Bing"; The cover of the version A adjusts its color to the concept of "Excuse Me" image, while the B version fits more with the image of "Bing Bing".

M/v Teaser

Cover / Group teaser

AOA also released beautiful individual teaser images for their first Studio album, "Angel completo Knock".

Meanwhile, AOA first regular album Angel's Knock will be released on January 2 next year.