Rookie group Brown Eyed Boys revealed their teaser video yesterday.

Nega Network revealed this short clip to announce that their debut will be coming very soon.

In the video, it reveals their debut date as May 9. It also reveals the words, 'League of Competition #9', making people curious.

In the video, the group reveals their amazing vocals as well as young appearance. They show similar vocal skills as girl group Brown Eyed Girls.

The agency also plans to release more information soon as their debut day nears.