Ryouko has released the following solo CDs.

2004 09.23

Memories Off -Sorekara- Character File 06 (KDCA-11)

Song/Talk

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

2004 04.28	Mahou Sensei Negima Mahora Gakuen Chuutoubu 2-A 1 Gakki (KICA-639)	Song
2004 07.28	Can_Drops [Drops] (KICA-646)	Song
2004 08.25	Hatsunejima Drama Theater chapter 2 Kotori (LACA-5307)	Talk
2004 08.25	Mahou Sensei Negima Mahora Gakuen Chuutoubu 2-A 2 Gakki (KICA-650)	Song/Talk
2004 08.25	Memories Off -Sorekara- Drama CD (KDCA-12)	Talk
2004 11.26	Mahoushoujo Lyrical Nanoha Sound Stage 01 (KICA-666)	Talk
2004 12.22	Memories Off -Sorekara- Vocal Collection (KDCA-26)	Song
2005 12.21	Mahou Sensei Negima! DJCD Vol.1 (KICA-751)	Talk
2006 04.07	Minna de Tsukuru Memo Off CD! Season 3 (VGCD-0031)	talk/song
2007 06.27	Negima!? DJCD Vol.2 Kandasan Aipon no Negimaho Radio!? (KICA-820 KICA-821)	Talk
2007 09.26	Negima!? Best Album (KICA-842)	Song
2008 01.23	Sky Girls Character Best Album (GFCA-62)	Song
2008 03.07	Hayate no Gotoku! Drama CD 2 (GNCA-1121)	Song/Talk
2008 03.21	Hayate no Gotoku! Drama CD 3 (GNCA-1122)	Talk
2009 02.25	Ichiban Ushiro no Daimaou Vol 1 (BNEG-1010)	Talk
2009 03.06	Hayate the Combat Butler Character Cover CD (GNCA-1179)	Song
2009 06.24	Hayate the Combat Butler! Character CD 2nd Series 01 (GNCA-1221)	Talk
2009 06.24	Hayate the Combat Butler! Character CD 2nd Series 02 (GNCA-1222)	Talk
2009 06.24	Hayate the Combat Butler! Live 2009 (GNCA-1229)	Song/Talk
2009 07.08	Utagoe Kissa Hakobune (KICA-982)	Song
2009 07.22	Hayate the Combat Butler! Character CD 2nd Series 03 (GNCA-1223)	Talk
2009 07.22	Hayate the Combat Butler! Character CD 2nd Series 04 (GNCA-1224)	Song/Talk
2009 08.26	Hayate the Combat Butler! Character CD 2nd Series 05 (GNCA-1225)	Talk
2009 09.30	Hayate the Combat Butler! Character CD 2nd Series 07 (GNCA-1227)	Talk
2009 09.30	Hayate the Combat Butler! Character CD 2nd Series 08 (GNCA-1228)	Talk
2009 09.30	Ichiban Ushiro no Daimaou Vol.2 (BNEG-1013)	Talk
2010 06.09	Anyamaru Tantei Kilmin Zoo Assort CD 1 (KICA-3122)	Talk
2010 08.04	Anyamaru Tantei Kilmin Zoo Assort CD 2 (KICA-3123)	Talk
2011 03.23	Uta Nanka Zenzen Utaitaku Nain Dakarane! (KICA-3136)	Song
2013 04.17	Twinkle Voice -Koe no Okurimono (UMCA-10015)	Song
2013 05.08	Hayate no Gotoku! Character Songs Album (GNCA-1367)	Song
2013 06.26	Ambitious (GNCA-1359)	Song
2013 06.26	Hayate no Gotoku! Cuties Ending and Heroine Soundtrack 1 (GNCA-1380)	Song
2013 07.31	Hayate no Gotoku! Cuties Ending and Heroine Soundtrack 2 (GNCA-1382)	Song

Ryouko appears (sings/talks) in the following CD singles.

2004 01.28	Koi no American Football [Drops] (KICM-9003)	Song
2004 02.04	Koi no American Football [Drops] (KICM-91096)	Song
2004 04.28	Furare Kibun de Rock'n Roll [Drops] (KICM-91105)	Song
2005 08.03	Happy Material (KICM-3111)	Song
2008 03.21	Hayate no Gotoku! Character CD 11 (GNCA-65)	Song/Talk
2008 05.28	Zettai Love x Love Sengen! (GNCA-0105)	Song
2008 08.06	Hatch (KIZM-17)	Song
2008 09.10	Dahlia na Kimochi (KIZM-17)	Song
2008 09.24	Datte Daihonmei (GNCA-0106)	Song
2008 09.25	Zettai Karen Children Character CD 2nd Session (GNCA-0092)	Song
2008 10.29	Kemeko Deluxe! (GNCA-0126)	Song
2009 02.25	Soushunfu (GNCA-0108)	Song
2009 05.27	Kirari Futari (KICM-91277)	Song
2009 05.27	Netsuretsu Kangei Wonderland (LASM-4005)	Song
2009 06.24	Hatsukoi Limited Character File Vol.2 (LHCM-1060)	Song
2009 07.22	Shikakui Uchuu de Matteruyo (LACM-4022)	Song
2009 09.09	Karakoi -Dakara Shoujo ha Koi wo Suru- (GNCA-0140)	Song
2009 11.26	Otome no Junjo (KICM-3195)	Song
2010 07.28	Seventh Heaven (GNCA-0199)	Song
2011 08.24	Sakura Kaze ni Yakusoku wo (KICM-3237)	Song
2012 12.26	Here I Am Here We Are (GNCA-0255)	Song