One is the first Korean studio album by South Korean singer Lee Jun-ho. It was released on September 14, 2015.
The album consists of the Korean versions of tracks from Lee's first three Japanese EPs Kimi no Koe, Feel and So Good.
In order to promote the title track "Fire," Lee made his first solo appearances on South Korean music shows including M Countdown, Music Bank, Show! Music Core and Inkigayo.