Singles
07/01/1999: Eternal Memories
09/08/1999: TEENAGE UNIVERSE -Chewing Gum Baby-
11/03/1999: Komichi no Hana
03/23/2000: Shadows of Desire
02/15/2001: LOST CHILD
05/09/2001: Girl's Night
07/04/2001: Ex-Boyfriend (Feat. Verbal of m-flo)
11/29/2001: think of U
08/07/2002: hard to say
10/23/2002: Girl U Love
06/21/2008: Boyfriend -part II-
06/21/2003: I LIKE IT/Rewind (Crystal Kay loves m-flo)
07/07/2003: Candy
11/21/2003: Can't be Stopped
05/12/2004: Motherland
11/17/2004: Bye My Darling!
01/26/2005: Kiss
05/18/2005: Koi ni Ochitara
10/05/2005: Two As One (Crystal Kay x CHEMISTRY)
02/08/2006: Kirakuni/Together
01/17/2007: Kitto Ein Ni
Albums~
03/23/2000: C.L.L CRYSTAL LOVER LIGHT
08/22/2001: 637 -always and forever-
10/13/2002: almost seventeen
11/27/2003: 4 REAL
12/17/2003: NATURAL -World Premiere Album-
06/30/2004: CK5
03/02/2005: Crystal Style
02/22/2006: Call Me Miss
DVDs~
06/30/2004: CK99-04 MUSIC CLIPS
Music!!Eternal Memories!!