Hidden Box

Hidden Box is the 2nd single album by South Korean boy group Bolt. The album released on April 26th, 2015. This album also marks their first releases in languages other than Korean, and the beginning of their international acclaim. "Secrets From You" served as the title track, albeit the promotion was shortened to two weeks only because the album's concept is so focus on the international market.

Tracklist

 * 1) Internatonal (Intro)
 * 2) Secrets From You
 * 3) Like Lightning (Mandarin ver.)
 * 4) My Personal Prisoner (Japanese ver.)

Trivia

 * Classmate announced that Bolt will only release international versions of their music through these albums, and the releases will be at their discretion