Brown Eyed Girls member Gain revealed a black and white video today featuring mysterious men.

Her agency revealed this video online and on their official YouTube channel yesterday and has been gaining much attention.

Her agency stated, "There is a secret within this video. There are hidden pictures that need to be found in order for it to be more fun."

They stated that a total of 6 men were featured in the video and internet users found out that their agency was to release a new rookie group soon with 6 boys, making people suspicious that it might be the rookie group.

This new group will debut in May 9.