収録内容
1-1. Only One (03:37)
1-2. The Shadow (03:20)
1-3. 네모난 바퀴 (Hope) (04:35)
1-4. Not Over U (03:42)
1-5. The Top (02:36)
1-6. Mayday! Mayday! (너에게 닿기를 간절히 외치다) (03:39)
1-7. One Dream (feat. Henry [Super Junior-M] & Key [SHINee]) (02:28)
1-8. Only One (inst.) (03:36)
1-9. The Shadow (inst.) (03:19)