Woollim Entertainment, the agency that houses to idol group INFINITE, has once again released a mysterious teaser on its official Youtube channel.

The 31-second teaser shows Woollim Entertainment’s artists including Nell, Baby Soul, INFINITE and rookie duo Tasty, before wrapping up the video with words “What is the Next Big Thing?” along with the date of November 2012.

Many fans speculate that the video hints for Woollim Entertainment’s upcoming new group, while others speculate that it could be a family concert.

What do you think?