X Single Collection
AlbumTracklist 64:37
| 1 | Strength 1st OVA | 5:36 | |
| 2 | Yakusoku (feat. Kamui) | 5:50 | |
| 3 | Kamui | 3:05 | |
| 4 | Strength 1st OVA (Karaoke) | 5:36 | |
| 5 | Yakusoku (feat. Kamui) (Karaoke) | 5:51 | |
| 6 | Strength 2nd OVA | 5:36 | |
| 7 | Yakusoku (feat. Fuuma) | 5:19 | |
| 8 | Fuuma | 3:05 | |
| 9 | Strength 2nd OVA (Karaoke) | 5:36 | |
| 10 | Yakusoku (feat. Fuuma) (Karaoke) | 5:19 | |
| 11 | Anata Dake no WONDERLAND | 3:46 | |
| 12 | Anata ga Shiawase de Are You ni | 3:08 | |
| 13 | Anata Dake no WONDERLAND (Karaoke) | 3:44 | |
| 14 | Anata ga Shiawase de Are You ni (Karaoke) | 3:06 |