I don't think it has been posted before...
Ayu is featured in a-nation'06 BEST HIT SELECTION album:
1. a-sensation ～prologue～
2. STEP you
3. SMILY
4. Rising Sun-Japanese ver.-【原題:RISING SUN】
5. Shake It Up
6. UNSPEAKABLE
7. BLOOD on FIRE
8. 親愛なるあなたへ…
9. SURRENDER
10. Fantastic
11. DO THE MOTION
12. Where to begin
13. YUYAKE ～epilogue～（Uの上に-を入れる）