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

2006 01.25	Ramune Characters Collection vol 1 (NECM-12113)	Song
2006 05.10	Hare Hare Yukai (LACM-4261)	Song
2006 06.21	Suzumiya Haruhi no Tsumeawase (LACM-4268)	Song
2006 07.05	Character Song vol. 3 Mikuru Asahina (LACM-4271)	Song
2006 08.23	Otome ha Boku ni Koishiteru Character Song Part 2 (KICM-3124)	Song
2006 11.01	Koi Hajimemashita! (AVCA-26011)	Song
2006 11.22	Saikyou Pare Parade (LACM-4316)	Song
2006 11.29	Keep on! Keep on! [Nekoya Miu] (AVCA-26015)	Song
2007 08.08	Yoroshiku Red Zone (LACM-4396)	Song
2008 01.23	Kuusou Rumba (KICM-3162)	Song
2008 02.06	Butler Switch On! (LACM-4457)	Song
2008 02.27	Marionette (KICM-3163)	Song
2008 07.16	Special Gyutto Good Luck! (PCCG-70027)	Song
2008 07.23	Hatena de Wasshoi (LACM-4511)	Song
2008 09.10	Hidamari Sketch X365 Character Song vol 3 (LACM-4527)	Song
2008 09.24	Memories Off 6 Personal Collection 3 (FVCG-1053)	Song
2009 04.22	Imamade no Arasuji (LACM-4610)	Song
2009 05.27	Gugure! ni Icchi suru Nihongo no Page (LACM-4616)	Guest
2009 08.05	Zetsubou Restaurant (KICM-3193)	Song
2009 08.26	Tomare! (LACM-4640)	Song
2009 09.25	Queen's Blade Character Song Menace (ZMCZ-4625)	Song/Talk
2009 09.30	New Character Song Vol.3 Asahina Mikuru (LACM-4652)	Song
2009 10.23	Buddy Body (ZMCZ-4614)	Song
2010 01.27	Dekiru Kanatte Hoshimittsu (LASM-4044)	Song
2011 06.15	Asta Rotte no Omocha! Character Song CD Vol.4 (PCCG-70110)	Song
2011 11.23	Kimagure Jan Ken Pon (LASM-4118)	Song
2012 10.24	Open Canvas (LASM-4148)	Song
2015 04.29	Fure Fure Mirai (LACM-14342)	Song
2015 07.22	Nagato Yuki-chan no Shoushitsu Character Song Case 3 (LACM-14385)	Song