Billlie is gearing up for their comeback with 'the collective soul and unconscious: chapter one'.

On February 13 at midnight KST, the girls left a cryptic message along with a new teaser image. The message relays, "Today I'm living as myself. Your invitation arrived regardless. Your calling. Your hint delivered like a nightmare."  Moreover, the hashtag #GingaMingaYo seems to be their upcoming comeback title track.

Meanwhile, the girl group is following up on their last single 'the collective soul and unconscious: snowy night' in December of last year with their 2nd mini-album. Billlie's 'the collective soul and unconscious: chapter one' drops on February 23 at 6 PM KST.