Billlie has excitedly announced their comeback by revealing the schedule for their new album. Billlie shared the chronological plan, whimsically named 'Billlendar', for their album 'side-B: memoirs of echo unseen'.

The intriguing scheduler image that was released features a vintage computer set amidst an aesthetic pink-toned space. This unique presentation stirred excitement among fans, amplifying anticipation for the group's comeback.

Prior to the announcement, Billlie has already released nine enthralling photo teasers for their punchy title song "DANG! (hocus pocus)" As per the album schedule, two different forms of music video teasers for their song will be launched sequentially. Furthermore, the group is expected to reveal track drops and B-Side spoilers. These have been previously well-received for their distinctive visual appeal during each comeback.