- 2007 [1st single] The Wonder Begins
- 2007 [1st full] The Wonder Years
- 2007 [digital single] 쪼요쪼요
- 2008 [digital single] Army Song
- 2008 [2nd single] So Hot
- 2008 [3rd single] The Wonder Years – Trilogy
- 2008 [digital single] Anybody
- 2010 [4th single] 2 Different Tears
- 2011 [2nd full] Wonder World
- 2012 [1st mini] Wonder Party
- 2012 [日本1st mini] Nobody For Everybody
- 2012 [BEST] Wonder Best KOREA ／ U.S.A ／ JAPAN 2007-2012
- 2015 [3rd full] Reboot
- 2016 [5th single] Why So Lonely
- 2017 [digital single] 그려줘
ソロ