B1A4's agency WM Entertainment mentioned the boys' upcoming January album while speaking with Newsen on December 30 about why Baro would be absent from the 'Reply 1994' cast and crew vacation.

SEE ALSO: Ministry of Justice considers granting long-term residency to foreign national who rescued grandmothers in wildfire

They said, "Due to B1A4's comeback preparations, Baro will not be able to take part in the rewarding vacation for 'Reply 1994' . . . B1A4 will be releasing a studio album in January.  Because there isn't much time left before their comeback, they are working on completing album preparations . . It's a shame but he will be absent for the 'Reply 1994' vacation."  Yoo Yun Suk and Go Ara will not be attending either as the latter damaged a ligament during filming and will be having surgery in January.

In addition, WM Entertainment uploaded teaser images for B1A4's upcoming second album 'Who Am I,' which will be out on January 13.  The title song will be "Lonely" and B1A4 will be officially joining the hard competition next month as many popular groups are also planning their comeback for January.

Tip: Crimsonchin