Michiko 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 10.22	Ano Hi no Mama no Kimi de Ite 1	Talk
1997 11.01	Sentimental Graffiti summer concert live CD	Song
1998 01.22	Sentimental Graffiti Omoide Tachi to no 12 Kagetsu	Talk
1998 02.18	Saikai 5 Byoumae Deatta Koro no Youni 2	Talk
1998 02.21	3x4 The Other Seasons (MMCM-5003)	Song/Talk
1998.03.end	Sentimental Graffiti Official Fan Club CD-05	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 10.21	Dance in the Sentimental Graffiti (MMCM-5005)	Song
1998 10.21	Sentimental Graffiti Non-Stop 14 Tracks (COCX-30142)	Song
1998 10.31	Tokyo Shuugou! Anata wo Motto Shiritakute 2	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
2000 03.18	Sentimental Graffiti Super Best -Setsunasa no Tobira-	Song