Rookie group C-REAL teased their fans with a new, mysterious image that may reference a potential comeback.

NAP Entertainment posted the above picture to their Twitter account earlier today, with the mysterious caption, "??? (C-REAL) ... ?? (Lenny) ... ?"

The photo shows C-REAL member Lenny on one corner of the image, leaving a lot of white space for what many fans assume to be the spaces for the pictures of the rest of the members.

What do you think it could be about?