Girl group Lovelyz made their comeback with sixth mini album on May 20.

Lovelyz confirmed their comeback on May 8 by releasing a teaser image along with news of the new album through official SNS channels.

Lovelyz made a comeback with their sixth mini album "ONCE UPON A TIME" on May 20.

The teaser contains a mysterious atmosphere, has the album title and release date, made their fans excited to waiting for Lovelyz's comeback.

It is the first new song in about six months since the mini album released in November last year, drawing keen public attention waiting for Lovelyz's music.

Lovelyz has successfully finished their Asian tour, including the Japanese promotion, as well as Singapore, Hong Kong and Taipei.

Lovelyz's sixth mini album, "ONCE UPON A TIME," is released on various online sites at 6 p.m. on May 20.