The album was released on March 14, 2012, by WM Entertainment and their distributing label Pony Canyon Korea.

The album spawned two singles: "This Time Is Over" and "Baby I'm Sorry" which is the title track written and composed by the group's leader Jinyoung.

After a successful entry into the Japanese market, the group finally started preparation for their upcoming comeback in Korea.

[citation needed] Production of the full album was done less than 2 months under the production of the newly rising composing group "Our Hyung and My Dongsaeng " (kor: 우리형과 내동생; rom: uri hyung-gwa nae dongsaeng)led the production of the album with the members actively participating in composing and writing lyrics for the songs, the first studio album of B1A4 was then released on March 14, 2012.

The group performed a total of 2 songs, namely their title track "Baby I'm Sorry" and their other single "This Time Is Over".