Tracklist
| 永遠 | 4:33 | |
| Universe Feat. Crystal Kay & Verbal (m-flo) | 4:20 | |
| Believe In Love Feat. BoA (Acoustic Version) | 4:26 | |
| Best Hit Mega Blend | 4:56 | |
| 永遠 (Instrumental) | 4:33 | |
| Universe Feat. Crystal Kay & Verbal (m-flo) (Instrumental) | 4:19 | |
| 永遠 (Music Video) | ||
| Introduction Of Best & USA | ||
| Best Mega Hits Blend: Visual Remix |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| 永遠 / Universe / Believe In Love (CD, Maxi + DVD-V) | Avex Trax | AVCD-31596/B | Japan | 2009 | |
| 永遠 / Universe / Believe In Love (CD, Maxi, Enh) | Avex Trax | AVCD-31597 | Japan | 2009 |