Join in Yena and Yujin as they make chaos to their members. Especially their crazy antics which cause their leader, Eunbi to lose her sanity. From playing Sakura's gaming pc without permission to kidnapping prank, the fun never stops for them. With addition to Kang Hyewon, things would get even more chaotic. 

The time has come for a beautiful winter to arrived in this month. Let us gather around to share this moment with four oneshots stories from them.