SF9 have revealed their full showcase for 'The Piece OF9'.

The showcase video above includes SF9's first live performance of "Puzzle" and other tracks on their 12th mini album 'The Piece OF9', behind-the-scenes looks at their photo shoot, and more. SF9 originally held the showcase this past January 9, and fans who missed it can now watch it in full.

Watch SF9's 'The Piece OF9' showcase above, their "Puzzle" MV here, and let us know what you think in the comments below.