W Campaign Special Disc
| Composed by | Masaya Koike / YURIA* |
| Arranged by | Blasterhead* / Masaya Koike |
| Published by | Cocktail Soft |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 3 tracks |
| Release date | June 30, 2006 |
| Genres |
Preorder Bonus included when purchasing the Pia♥ Carrot e Youkoso!! G.O. Standard Edition together with the Guren ni Somaru Gin no Rosario DVD-ROM Edition.
| 1 | スマイル0円 フルサイズ | ||
| 2 | Rosy フルサイズ | ||
| 3 | スマイル0円み〜こver. フルサイズ |
