Singer BoA revealed a teaser for her music video.

On the morning of July 19, BoA revealed a teaser video for her new title song, "Only One."

In the video, BoA caught the attention of the viewers with her collaboration with the actor Yoo Ah In. Because the news of their collaboration spread online way before, the expectations of the fans for the video is higher than ever. The music video to be released is also anticipated to receive much attention.

On the other hand, the full track list of BoA's 7th album, Only One, will be released on July 22 and sold offline starting July 25.