2006 Oct 14_4th album_ 'Rain's World'Tracks:01 . Rain's World
02 . I'm coming(Feat. Tablo)
03 . With u
04 . Naega nuwossdeon chimdae (In my bed)
05 . Harudo (Not a single day)
06 . Casiopeia (Feat. Im Jung Hee)
07 . Him & Me (Feat. Dynamic Duo)
08 . Don't stop
09 . Touch Ya (Feat. TaeWon. K.A.C-Luv)
10 . Move on
11 . Oh Yeah (Feat. Al)
12 . Friends (Feat.Tigher JK)
13 . To My Friends (Outro)
14 . Na (B-Garage Remix)