The Instagram post with 2AM members celebrates the group's 13th anniversary, and the caption is as follows:
"2AM's 13th anniversay since debut.
Just wait for us for a bit more.
2AM debuted in 2008 with single album "This Song" and their last release was their 3rd full-length album "Let's Talk" in October 2014. The group has long been well-known for their emotional ballads and strong vocals, and fans are looking forward to their reunion and what they will be bringing their fans.
Are you looking forward to it?