| Official |
|---|
| 1.1 | Viola | 4:37 | Hitomi Shimatani | Viola | Hitomi Shimatani | Single | | avex trax | |
| 1.1 | Viola | 4:38 | 島谷ひとみ | Viola | 島谷ひとみ | Single | | avex trax | AVCD-30578 |
| 1.9 | Viola | 4:40 | 島谷ひとみ | 追憶+LOVE LETTER | 島谷ひとみ | Album | | avex trax | AVCD-17524/B |
| 1.9 | Viola | 4:37 | Hitomi Shimatani | 追憶+LOVE LETTER | Hitomi Shimatani | Album | | avex trax | |
| 1.9 | Viola | 4:40 | 島谷ひとみ | 追憶+LOVE LETTER | 島谷ひとみ | Album | | avex trax | AVCD-17525 |
| 1.1 | Viola | 4:37 | 島谷ひとみ | Best & Covers | 島谷ひとみ | Album + Compilation | | avex trax | AVCD-23885, AVCD-23886 |
| 1.1 | Viola | 4:37 | 島谷ひとみ | Best & Covers | 島谷ひとみ | Album + Compilation | | avex trax | AVCD-23883~4/B |
| 1.1 | Viola | 4:37 | Hitomi Shimatani | BEST & COVERS | Hitomi Shimatani | Album + Compilation | | avex trax | |
| 1.1 | Viola | 4:37 | 島谷ひとみ | Best & Covers | 島谷ひとみ | Album + Compilation | | avex trax | AAJCD20044/5D |
| 1.13 | Viola | 4:37 | Hitomi Shimatani | 15th Anniversary SUPER BEST | Hitomi Shimatani | Album + Compilation | | avex trax | |
| 1.13 | Viola | 4:39 | 島谷ひとみ | 15th Anniversary SUPER BEST | 島谷ひとみ | Album + Compilation | | avex trax | AVCD-38755, AVCD-38756, AVCD-38757 |
| 1.13 | Viola | 4:39 | 島谷ひとみ | 15th Anniversary SUPER BEST | 島谷ひとみ | Album + Compilation | | avex trax | AVZD-38748, AVZD-38749, AVZD-38750, AVZD-38751, AVZD-38751B, AVZD-38751C |
| 1.13 | Viola | 4:39 | 島谷ひとみ | 15th Anniversary SUPER BEST | 島谷ひとみ | Album + Compilation | | avex trax | AVCD-38752, AVCD-38753, AVCD-38754, AVCD-38754B |
| Promotion |
|---|
| 1.9 | Viola | 4:40 | 島谷ひとみ | 追憶 + Love Letter | 島谷ひとみ | Album | | avex trax | AVCS-11259 |
| Pseudo-Release |
|---|
| 1.1 | Viola | 4:39 | 島谷ひとみ | Best & Covers | 島谷ひとみ | Album + Compilation | | avex trax | AVCD-23885, AVCD-23886 |