LOONA surprised fans with a teaser video!

Just when the clock hit 12 am on January 1 KST, LOONA unveiled a mysterious 45-second clip titled 'X1X' with the caption, "Long time no see." The members Heejin, Jinsoul, Choerry, Yves, Hyunjin, Haesul, and Kim Lip make an appearance. The numbers 1, 11, 21, and 31 also pop up at the end. 

Fans believe the 7 members have created a unit and the numbers signify important dates for their new release. More details will be coming soon so stay tuned. 

What do you think is on the way for LOONA?