Yumiko appears (sings/talks) in the following miscellaneous CDs.

2000.03.23	Excel Girls Golden Best 20 (VICL-60546)	Song
2000.08.23	Love Hina 3 (KICA-520)	Song/Talk
2001.01.24	Silent Eve Love Hina Winter Special (KICA-531)	Song/Talk
2001.02.07	Sister Princess 12 Nin no Tenshi Tachi (KICA-532)	Song
2001.04.04	Prologue of Sister Princess Dear My Brother (KICM-3007)	Talk
2001.06.06	Love Hina Spring Special (KICA-541)	Song
2001.08.29	Sister Princess Original Soundtrack Angel Jukebox (KICA-552)	Song
2001.09.29	Sister Princess Kaleidoscope (KICA-556)	Song
2001.10.03	Hinata Girls Song Best 2 (KICA-557)	Song
2002.01.01	Sakura Revolution [Prits] (KICM-3019)	Song
2002.02.01	Kokuhaku Kimeteyo! [Prits] (KICM-3023)	Song
2002.03.01	Private Emotion [Prits] (KICM-3026)	Song
2002.12.25	Cherry Blossom [Prits] (KICA-589)	Song
2004.08.25	Memories Off -Sorekara- Drama CD (KDCA-12)	Talk
2004.12.22	Memories Off -Sorekara- Vocal Collection (KDCA-26)	Song
2008.02.22	Splendide Shana Vol 1 (GNCA-1154)	Talk
2008.04.24	Splendide Shana Vol 2 (GNCA-1155)	Talk
2010.10.27	Angel Beats! SSS Radio Vol.3 (SSR-0003)	Talk
2011.08.24	Kami-sama Dolls Vol.1 (VTCL-60248)	Talk