Monday, March 4, 2019 
MAMAMOO released Moon Byul's teaser for 'White Wind.'
The vocal group is continuing the '4Season Project' with the new album 'White Wind.' In the latest teaser, Moon Byul confidently strikes poses and captivates with her girl crush charms. Check out her teaser below.
'White Wind' will be fully out on March 14.
[#문별]
— 마마무(MAMAMOO) (@RBW_MAMAMOO) March 4, 2019
4SEASON PROJECT 4#WHITE_WIND CONCEPT PHOTO
✔ 2019.03.14 Thu PM6(KST)
#MAMAMOO #MOONBYUL#COMEBACK #9966 💭 pic.twitter.com/wWLzFCvEza
4
a new side of Moonbyul.