ZE:A posted group photo in their official weibo account along with the message about their future comeback date.
Message:
我们今天这样玩，呵呵…，敬请期待12月发行的月曆跟即将发行的影响写真集！
TRANS:
We played like this today. hehe.... Please wait for our December's montly calender and we are going to release our photo concept of our new album!
SOURCES: ZE:A's WEIBO
TRANSLATION: dingdong1311@EmpireChildren