One Spring Day is the second Korean studio album (and third overall) by South Korean boy band 2AM.

[1] For this album, 2AM is planning for a musical transformation.

A sneak preview of the song's introduction showcases Lim Seulong′s voice being prominent and different.

[2] The lead track is "One Spring Day", with a slow piano melody, for which a teaser video was released on 27 February 2013.

[3] References are as follows:[4][5]