2002 April 28 _1st album _ ' Bad Guy' Tracks:01 Intro
02 Ak su [Handshake]
03 Na ppeun nam ja [Bad Guy]
04 Na [Me]
05 Ik suk chi an a seo [ Can't Get Used to It]
06 Baby baby
07 An nyeong ee ran mal dae shin [Instead of Saying Goodbye]
08 Neo cheo reom (Featuring bada) [Just Like You]
09 Na ron an doe ni (Featuring Hooni Hoon, Ho In Chang) [Why not Me?]
10 Wae [ Why?]
11 What's Love featuring Danny, Lexy, 별 and JYP