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

1993 07.24	Tenchi Muyou! Ryououki Tenchikaibyaku Jukuu no Michiyuki (PICA-1018)	Song {5}
1993 11.25	Tenchi Muyou! Ryououki no Christmas (PICA-1024)	Song
1994 04.27	Tenchi Muyou! Ryououki Taiyoukei Nanatsu no Hitou (PICA-1034)	Song {2, 8}
1994 09.22	Tenchi Muyou! Ryououki Ongakuhen Vol. 3 (PICA-1043)	Song {4}
1995 03.22	Tenchi Muyou! Ryououki Hihokan: Best Album Part 2 (PICA-106002)	Song
1995 03.22	Tenchi Muyou! Ryououki Hihokan: Studio Session (PICA-106001)	Song
1996 12.21	Tenchi Muyou! Heartful Songs (PICA-1122)	Song
1999 10.27	Romantist Taste (MACA-2017)	Talk