Sawai Natsumi CDs (miscellaneous)
Natsumi appears (sings/talks) in the following miscellaneous CDs.
| 1998 12.05 | Touch Miss Lonely Yesterday Arekara Kimi ha.. (VPCG-84667) | Song |
| 1999 12.27 | Kira Kira Melody Gakuen Drama CD Super Flying Version (KIRA-1999) | Talk |
| 2000 03.25 | Kira Kira Melody Gakuen drama CD 1 (MACM-1080) | Talk |
| 2000 04.25 | Shin Masou Kishin Panzer Warfare (LACA-5002) | Song |
| 2000 08.05 | Kira Kira Melody Gakuen drama CD Dai Ichibu Kanketsuhen (KIRA-2000) | Talk |
| 2000 08.30 | Daisuki [Kira Kira Melody Gakuen] (ZMCZ-1118) | Song |
| 2001 02.28 | Dear+Palette-Che (MACM-1122) | Song |
| 2001 07.28 | Kira Kira Melody Gakuen Final Album (MACM-1142) | Song |
