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

2004 08.27	Jewelry Days (HBMS-011)	Song
2005 07.29	Catch Your Dreams!! (HBMS-023)	Song
2005 08.26	Prism Ark Special Sound Package Red (HBMS-027)	Song
2005 08.29	Kono Hana Sakukoro (HBMS-028)	Song
2005 09.30	Eternal Destiny (HBMS-030)	Song
2006 04.14	Imitation (HBMS-035)	Song
2006 09.21	Otome ha Boku ni Koishiteru Character Song Part 3 (KICM-3125)	Song
2006 10.22	Dream A Go! Go!	Song
2006 10.25	Again (KICM-3134)	Song
2007 04.06	Far Away (LTXS-005)	Song
2007 08.16	Time Leap single&boot bench	Song
2007 10.14	Rose Quartz/Summer Angel (Dream Party Memorial 2)	Song
2007 10.24	Soshite Bokuha/RISE (ZMCZ-3681)	Song
2007 10.25	Shining Star (LTXS-006)	Song
2008 01.25	Katayoku no Ikaros (BRDF-3100)	Song
2008 02.29	Koi suru Kioku (GNCA-0089)	Song
2008 04.23	Koi no Honoo (FVCG-1027)	Song
2008 05.03	Happy Day (Dream Party Memorial 3)	Song
2008 05.30	Blue Eyes (SKM-002)	Song
2008 06.25	Zaika ni Keiyaku no Chi wo (FVCG-1008)	Song
2008 07.23	Soon/Love Rice (KDSD-00226)	Song
2008 09.24	Eien no Koi (FVCG-1039)	Song
2008 10.12	The Desert of Time (Dream Party Memorial 4)	Song
2008 10.29	Try Real! (GNCA-0128)	Song
2008 11.26	Gessei no Kanon (QECB-90001)	Song
2008 12.24	Love Island (LTXS-007)	Song
2009 01.28	Chaos; Head Trigger 3 Kishimoto Ayase (FVCG-1083)	Song/Talk
2009 02.04	Ken no Mai (QECB-14)	Song
2009 02.25	Allelujah no Fukuin (FVCG-1079)	Song
2009 03.25	Koi Goromo/Eternal Snow (VGCD-1036)	Song
2009 03.27	Tsumasaki no Ripple (SCMS-001)	Song
2009 04.17	Marionette (LTXS-008)	Song
2009 06.26	Sakura Philosophy (SKM-005)	Song
2009 10.07	Deja Vu (FVCG-1099)	Song
2009 10.21	Nyandaful! (PCCG-90040)	Song
2009 11.18	Neko Neko Ondo (PCCG-90045)	Song
2009 11.25	Komorebi no Sordino (FVCG-1097)	Song
2009 11.25	Unmei no Farfalla (FVCG-1101)	Song
2009 12.18	Happy Lucky X'mas (LTXS-009)	Song
2010 02.10	Konton no Oratorio (QECB-20)	Song
2010 04.28	Inori no Violette (FVCG-1114)	Song
2010 07.30	Let's Start Now (LTXS-010)	Song
2011 01.30	Love & Kiss (AKA-1021)	Song
2011 05.25	Toki Tsukasadoru 12 no Meiyaku (MFCZ-1007)	Song
2011 07.29	Blue Mind (LDRS-007)	Song
2011 07.29	Change For You	Song
2012 08.01	Hagane no Yoroi Matou 300 no Daishisai (SVWC-7867)	Song
2021 02.03	Longing For! (XNST-10025)	Song