J Style is the second single album by Lee Joon-gi, which he produced with musician Kim Hyung Suk. The album consists 4 new songs including his 3 songs from his previous album My Jun, My Style. One of the songs, Selfless Dedicated Trees was written by Lee for his fans at the Episode II 'Mask' fan meeting in April 2009. J Style had rushed to the 1st rank in the Hanteo and Mnet charts within the first week the album was released on April 21.