One of the member was in CNBLUE (the group of Juniel aka Lee jonghyun),he left the group for personal reasons on september 2009,he entered in Nflying agency,he did trainee,he was in the group,and on dec 2018 after being accused of sexual assault he was removed from the group
Fans of N.Flying have been boycotting and demanding the removal of member Kwangjin for his alleged sexual assault, dating scandals, attitude and more.
www.koreaboo.com
The coincidence is that the scandal started on 18 dec 2018...and who died the 18th dec?Jonghyun
So it is not a coincidence that the moon in the teaser is pearl aqua moon