CNBLUE has released two teasers for their comeback song "I'm Sorry".

The group had been steadily releasing teasers for their album Re:Blue recently, and now they've unveiled two more for "I'm Sorry", which�is presumed to be�composed by member Yonghwa.

Since the�band�has released a studio version teaser and a drama version teaser, it is expected that there may be two music video versions as well.

The complete album will drop on January 14th. Check out the teasers below!

Studio version (same as the 1st Re:Blue teaser unveiled previously):


Drama version: