Woollim Entertainment's new girl group Lovelyz have revealed the music video for their debut track "Good Night Like Yesterday", which features their labelmate INFINITE's Sunggyu.

SEE ALSO: NewJeans drops the official music video for "Bubble Gum"

Suiting their name, these lovely ladies are going for a youthful, pure concept for their debut. Judging from the MV teaser, it sounds like their debut song is a ballad. 

Check out their pre-debut video here if you missed it and the MV teaser above!