(not really in order)
Top 10 album covers:
1. Ayumi Hamasaki - RAINBOW
2. Utada Hikaru - Distance
3. Nami Tamaki - Make Progress
4. Ayumi Hamasaki - A BEST
5. Perfume - GAME
6. Nami Tamaki - Specialty
7. Younha Vol. 1.5
8. Nana Mizuki - Hybrid Universe
9. Ayumi Hamasaki - Duty
10. Arashi - Time
Top 10 Single covers
1. KOTOKO - Re-sublimity
2. Utada Hikaru - Can you Keep a Secret
3. Younha - Te wo Tsunaide
4. Ayumi Hamasaki - Endless Sorrow
5. Perfume - Electro World
6. OLIVIA - Sailing Free
7. alan - Ashita no e Sanka
8. KOTOKO - BLAZE
9. Nana Mizuki - Secret Ambition
10. Nana Mizuki - ETERNAL BLAZE