2AM is coming back!.

2AM opened the teaser site(https://2am.ibighit.com), unveiled its plan to release the second mini album next month. It's been a year and half.

On the teaser site, the phrase 'A year and half since break up' appears. Only simple phrase with no photos tells viewers the musical emotions of 2AM's upcoming song.

Netizens commented "Can not wait", "Love 2AM".

Photo: JYP