Billlie have dropped their mini album comeback schedule for 'the collective soul and unconscious: chapter one'.

The girl group are following up from their last single 'the collective soul and unconscious: snowy night' in December of last year with a brand new mini album. Fans can expect their first teaser 'letter from B' on February 13 KST, while the full mini album 'the collective soul and unconscious: chapter one' drops on February 23.

Stay tuned for updates on Billlie's comeback!