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

2002 07.22	Coopee (MMCC-0024)	Song
2003 10.24	Cinematic Sound Drama GetBackers -Divine Revelation- (MKC-0001)	Talk
2004 02.14	Cinematic Sound Drama GetBackers -The Place of a God's Death- (MKC-0002)	Talk
2004 02.27	Pani Poni Drama CD Vol.1 Ver.KSS (KSCA-29183)	Talk
2004 03.27	Pani Poni Drama CD Vol.2 Ver.SquareEnix (ENCA-1801)	Talk
2004 04.23	Pani Poni Drama CD Vol.3 Ver.FrontierWorks (FCCC-0014)	Talk
2004 09.24	Supa Supa drama CD (AFC-3017)	Talk
2004 10.06	DearS drama CD (LACA-5318)	Talk
2004 10.22	Pani Poni Second Season Vol.1 (PCCC-0024)	Talk
2004 12.22	Pani Poni Second Season Vol.2 (PCCC-0025)	Talk
2005 02.25	Pani Poni Second Season Vol.3 (PCCC-0026)	Talk
2005 10.26	Pani Poni Dash Character Vocal Album Gakuen Paradise (KICA-716)	Song
2005 12.28	Pani Poni Dash Original Soundtrack Gakuen Festival (KICA-756)	Song
2006 01.25	Pani Poni Dash Drama CD 1 (KICA-736)	Talk
2006 02.22	Pani Poni Dash Drama CD 2 (KICA-737)	Talk
2006 02.22	Pani Poni Dash Vocal Best Album Uta no The Best Ten (KICA-769)	Song
2006 06.21	Pani Poni Dash DJCD Pani Raji Dash! Vol.1 (KICA-794)	Talk
2006 07.26	Pani Poni Dash DJCD Pani Raji Dash! Vol.2 (KICA-795)	Talk
2006 08.23	Pani Poni Dash DJCD Pani Raji Dash! Vol.3 (KICA-796)	Talk
2007 09.26	Negima!? Best Album (KICA-842)	Song
2007 12.12	Mahou Shoujo Lyrical Nanoha StrikerS Sound Stage 5 (KICA-856)	Song/Talk
2008 10.08	Strike Witches Ending Theme Complete Collection (COCX-35207)	Song
2009 02.18	Rosario to Vampire Idol Cover Best (KICA-957)	Song
2009 03.25	Kanokon Nicebody Perfect Vocal Collection (FVCG-1087)	Song
2009 04.15	Strike Witches Himeuta Collection 5 (COCX-35462)	Song/Talk
2010 03.31	Childhood Memories (KICA-3109)	Song
2010 05.26	Mitsudomoe Drama CD "Densetsu no Hajimari" (LASA-5047)	Talk
2010 10.20	Strike Witches 2 ED Theme Collection (COCX-36422)	Song
2011 04.06	Mitsudomo Best (LASA-5092)	Song
2011 12.21	Bakemonogatari Ongaku Zenshuu (SVWC-7814 SVWC-7815)	Song
2012 01.25	C3 Character Song Album (KICA-3175)	Song
2012 01.26	Kyoukaisenjou no Horizon Original Sound Track (LACA-9227)	Song
2012 03.21	Strike Witches The Movie Original Soundtrack (COCX-37247)	Song
2012 04.18	Strike Witches The Movie Theme Song Collection (COCX-37290)	Song
2013 01.09	Strike Witches Movie Hime Uta Collection 2 (COCX-37652)	Song/Talk
2013 06.26	Namiuchigiwa no Music (KICA-3215)	Song/Talk
2013 07.03	Through the Camera (PCCG-1350)	Song
2014 01.29	Infinite Stratos Original Drama Series Vol.6 (LALA-5008)	Talk
2014 02.26	Infinite Stratos Original Drama Series Vol.7 (LALA-5009)	Song/Talk
2016 06.08	Infinite Stratos Complete Album (LALA-5011)	Song
2016 12.21	GirlFriend Character Song Series Vol.01 (PCCG-1575)	Song
2017 04.19	GirlFriend Character Song Series Vol.04 (PCCG-1594)	Song