ONLY ONE (2012年)
1. Only One (0) 
2. The Shadow (0)
3. 네모난 바퀴 (Hope) (0)
4. Not Over U (0)
5. The Top (0)
7. One Dream (0)
8. Only One (Instrumental) (0)
9. The Shadow (Instrumental) (0)
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1. Only One, 2. The Shadow, 3. 네모난 바퀴 (Hope), 4. Not Over U, 5. The Top, 6. Mayday! Mayday! (너에게 닿기를 간절히 외치다), 7. One Dream, 8. Only One (Instrumental), 9. The Shadow (Instrumental)