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

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 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 05.09	KONOHANA: True Report Sound Collection (SCDC-076)	Song
2001 07.28	Kira Kira Melody Gakuen Final Album (MACM-1142)	Song
2003 08.20	Omoide ni Kawaru Kimi -Memories Off- Vocal Collection (SCDC-287)	Song
2003 08.21	D.N.Angel CD drama D.X.Angel Cute (VICL-61142)	Song/Talk
2003 09.18	Omoide ni Kawaru Kimi -Memories Off- Drama Best (SCDC-309)	Talk
2003 09.26	Popo Raji ppoi CD (LACA-5201)	Talk
2003 10.01	D.N.Angel CD drama 2 (VICL-61144)	Song/Talk
2003 11.06	Popotan Character Song It's A POPO Time (LACA-5216)	Song
2003 12.26	Ikkitousen Original Soundtrack (LACA-5231)	Song
2004 02.18	Memories Off Drama CD Omoide no Paltiita (SCDC-325)	Talk
2004 02.25	Popo Raji ppoi CD vol 2 (LACA-5262)	Talk
2004 02.27	Korega Watashino Goshujin-sama drama CD (AFC-3005)	Talk
2004 03.17	Yumeria Fan Fun CD (PCCG-633)	Song/Talk
2004 04.07	D.C.P.S. Character Image Song Vol.1 (LACA-5263)	Song
2004 04.07	Da Capo Plus Situation Character Image Song vol 1 (LACA-5263)	Song
2004 05.26	Symphonic Rain Vocal Album RAINBOW (KICA-642)	Song
2004 06.16	Yumeria Fan Fun CD vol 2 (PCCG-643)	Song/Talk
2004 08.25	Denpani Notte [milk rings] (MMCC-25)	Song
2004 09.23	Memories Off 3.5 Sound Collection (SCDC-366)	Song
2004 10.20	Yumeria Vocal Collection (PCCG-653)	Song
2004 10.22	Ai to Kaoru no Love Pheromone! DJCD 2 (FCCV-5)	Talk
2004 11.26	Korega Watashino Goshujin-sama 2 (AFC-3024)	Talk
2005 01.13	Mahoushoujo Lyrical Nanoha Sound Stage 02 (KICA-667)	Talk
2005 02.23	Memories Off Shudaika Zenshuu (KDCA-32)	Song
2005 06.10	Korega Watashino Goshujin-sama Ongakuhen (GNCA-1030)	Song
2005 08.10	Korega Watashino Goshujin-sama Character Album 001 (GNCA-1031)	Talk
2005 09.09	Korega Watashino Goshujin-sama Character Album 002 (GNCA-1032)	Talk
2005 10.07	Korega Watashino Goshujin-sama Character Album 003 (GNCA-1033)	Talk
2005 10.26	D.C.S.S. -Da Capo Second Series- Vocal Album vol 1 (LACA-5438)	Song
2006 01.25	Gun Parade Orchestra Drama CD vol 1 (LACA-5471)	Talk
2006 02.22	Gun Parade Orchestra Drama CD vol 2 (LACA-5483)	Talk
2006 04.05	Kashimashi Girl Meets Girl Image Song Shuu (LACA-5499)	Song
2006 04.07	Minna de Tsukuru Memo Off CD! Season 3 (VGCD-0031)	talk
2006 05.10	D.C.S.S. -Da Capo Second Series- Vocal Album vol 2 (LACA-5504)	Song
2007 02.14	Love Aice5 [Aice5] (KICS-1293)	Song
2008 03.07	Hayate no Gotoku! Drama CD 2 (GNCA-1121)	Song/Talk
2009 03.06	Hayate the Combat Butler Character Cover CD (GNCA-1179)	Song
2009 06.24	Hayate the Combat Butler! Live 2009 (GNCA-1229)	Song/Talk
2009 08.26	Hayate the Combat Butler! Character CD 2nd Series 06 (GNCA-1226)	Song/Talk
2010 04.28	Endless Soul (ZMCZ-5538)	Song