22 March 2019.
BLACKVELVET's maknae Leyda and leader Sooyun post on her instagram about EVERGLOW.

(Maknae leyda post)

Chukhae!! EVERGLOW. Thanks to my unnie @KsYn01 because of her I know more about EVERGLOW. They are very sporting, kind and they attiude for they senior are really good. They make me interesting more to them. HWAITING, EVERGLOW!! SARANGHAEYO!!

(Leader sooyun post)

Good Job, guys. Nice work. Your debut stage are awesome. I hope you guys will get first win.

Fans are really appreciate for BLACKVELVET.

Aku minat sangat sangat dengan EVERGLOW. My ultamite bias is Sihyeon and my bias is Mia/Yerin/Aisha/E:U/Onda.