Mannaka Yukiko CDs (miscellaneous)
Yukiko appears (sings/talks) in the following miscellaneous CDs.
| 1997.07.end | Sentimental Graffiti Official Fan Club CD-01 | Talk |
| 1997.09.end | Sentimental Graffiti Official Fan Club CD-02 | Talk |
| 1997.11.01 | Sentimental Graffiti summer concert live CD | Song |
| 1997.11.19 | Ano Hi no Mama no Kimi de Ite 2 | Talk |
| 1997.12.17 | Saikai 5 Byoumae Deatta Koro no Youni 1 | Talk |
| 1998.01.22 | Sentimental Graffiti Omoide Tachi to no 12 Kagetsu | Talk |
| 1998.01.end | Sentimental Graffiti Official Fan Club CD-04 | Talk |
| 1998.02.21 | 3x4 The Other Seasons | Song/Talk |
| 1998.06.27 | Omoide no School Days 1 (MACM-1010) | Talk |
| 1998.08.01 | Senti na Natsuyasumi (COCC-15316) | Song |
| 1998.08.01 | Sentimental Graffiti Song Collection (COCC-15317) | Song |
| 1998.11.28 | Tokyo Shuugou! Anata wo Motto Shiritakute 3 | Talk |
| 1998.12.12 | Sentimental Graffiti 1-4 Box (MACM-9002) | Talk |
| 1998.12.26 | Sentimental Graffiti DJ CD 1-2 (MACM-1033 MACM-1034) | Talk |
| 1998.12.31 | Sentimental Journey Final Character Collection Box (APDM-9000) | Song/Talk |
| 1999.01.30 | Sentimental Graffiti Final Drama CD | Talk |
| 1999.04.21 | Over Rev (APCM-5128) | Talk |
| 2000.03.18 | Sentimental Graffiti Super Best -Setsunasa no Tobira- | Song |
| 2000.03.?? | Voice Fantasy vol 1 (CRCA-20006) | Talk |
| 2000.09.21 | Ren'ai Catalog -Tiny Darling Cupid- (LACA-5009) | Talk |
| 2002.01.26 | Green Green volume 1 (KICA-1257) | Talk |
| 2002.02.28 | Green Green volume 2 (KICA-1258) | Talk |
| 2002.11.07 | Milky Season (SCDC-00214) | Talk |