| Name | Artist | type | Label | Language | firstreleasedate | Average Rating | Type | Review |
|---|---|---|---|---|---|---|---|---|
| 空色デイズCDのみ | 中川翔子 | Single | Sony Records | Japanese | 2007/6/27 | 0.0 | Official | 0 |
| Sora iro Days | 中川翔子 | Single | - | Japanese | // | 0.0 | Pseudo-Release | 0 |
| sorairo days (Sky Blue Days) | Shoko Nakagawa | Single | Bandai Entertainment , Sony Records | Japanese | 2008/7/8 | 0.0 | Official | 0 |
| 空色デイズグレンラガン盤 | 中川翔子 | Single | Sony Records | Japanese | 2007/6/27 | 0.0 | Official | 0 |
| 空色デイズCD+DVD | 中川翔子 | Single | Sony Records , Sony Records | Japanese | 2007/6/27 | 0.0 | Official | 0 |