F.T. Island have dropped their music video teaser for "Unthinkable".

In the MV teaser, F.T. Island's Hongki finds love as he steps into an attic. "Unthinkable" is the title track of the band's 8th mini album 'Lock Up', which drops on December 10 KST.

Check out F.T. Island's "Unthinkable" MV teaser above, and let us know what you think in the comments below.