Hiroko has released the following solo CDs.

1988 12.21	Slow Glass No Kagayaki (32L2-38)	Song
1989 12.21	Cafe Paradise (29L2-133)	Song
1990 10.25	Semi-Precious Stone (WPCL-190)	Song
1990 11.18	Caroling [Christmas Mini-Album] (WPCL-213)	Song
1991 04.10	My Best Friend (WPCL-239-40)	Song
1992 06.25	Tooi Natsu no Kyuujitsu (WPCL-663)	Song
1992 11.18	Memories -The Best Selection-	Song
1994 04.24	L'express "Fantaisie" (PICA-1013)	Song
1994 06.25	Sayonara ga Kuretano ha	Song
1994 12.07	Madrigal (PICA-1052)	Song
1995 10.25	Memories II (WPC6-8155)	Song
1995 12.21	Sora he (WPC6-8167)	Song
1996 01.25	Tea For Me -Acoustic Live '95- (WPC6-8168-8169)	Song
1996 03.06	Saga (PICA-1091)	Song
1996 11.10	Hontou no Watashi	Song
1997 07.25	Thanks (WPC6-8368 WPC6-8369)	Song
1997 10.22	Take The K Train (PICA-1152)	song
1997 10.25	Thanks (WPC6-8368-9)	song
1997 11.25	Memories III -Extra- (WPC6-8392-3)	song
1997 12.17	Rayearth Extra Hououji Fuu (POCX-1086)	Song/Talk
1998 12.09	Our Favorite Things My Prayer 2 (TKCA-71506)	Song
1999 02.24	Feel Happy Together (WPC7-10016 WPC7-10017)	Song
1999 04.21	Piece of Heart (TKCA-71598)	Song
1999 10.01	Aria (SVWC-7039)	Song
1999 10.22	Seraphim Call 1 Nemuri Hime Panic [Kurimoto Yukina] (PICA-7001)	Song
2000 01.26	Neo Decadence (BXCA-1001)	Song
2000 06.09	Cool Decadence ()	Song
2001 03.22	Okawari Jiyuu (AKCJ-80006)	Song
2001 09.27	Okawari no Jiyuu (TKCA-72224)	Song
2001 11.14	True Chair (AKCJ-80010)	Song
2002 02.20	Birthday Disc: Pisces (SCDC-163)	Song
2002 11.27	Reko (AKCJ-80017)	Song