Son tout premier album:
A song for xx sortit le 1er janvier 1999 :
1. Prologue
2. A Song for xx
3. Hana
4. FRIEND
5. FRIEND II
6. poker face
7. Wishing
8. YOU
9. As if...
10. POWDER SNOW
11. Trust
12. Depend on you
13. SIGNAL
14. from your letter
15. For My Dear...
16. Present
Deuxième album:
Loveppears sortit le 10 novembre 1999 :
01.introduction
02.Fly high
03.Trauma
04.And then
05.immature
06.Boys & girls
07.TO BE
08.End roll
09.P.S II
10.WHATEVER
11.too late
12.appears
13.monochrome
14.Interlude
15.LOVE~refrain~
16.Who
Troisième album :
Duty sortit le 27 septembre 2000 :
01.Starting over
02.Duty
03.vogue
04.End of the world
05.SCAR
06.Far away
07.SURREAL
08.AUDIENCE
09.SEASONS
10.teddy bear
11.Key-eternal tie ver.-
12.Girlish
Quatrième album sortit le 1er janvier:
I am... :
1. I am...
2. opening Run
3. Connected
4. UNITE! "Original Mix"
5. evolution "Original Mix"
6. Naturally
7. NEVER EVER "Original Mix"
8. still alone
9. Daybreak
10. taskinlude
11. M "Original Mix"
12. A Song is born
Cinquième album sortit le 18 décembre :
RainBow:
01.everlasting dream
02.WE WISH
03.Real me
04.Free and easy
05.Heartplace
06.Over
07.HANABI
08.Taskinillusion
09.Everywhere nowhere
10.July 1st
11.Dolls
12.Never ending dream
13.Voyage
14.Close to you
15.Independent
Sixième album sortit le 17 décembre 2003:
Memorial Adress:
1. ANGEL'S SONG
2. Greatful days
3. Because of You
4. ourselves
5. HANABI ~episode II~
6. No way to say
7. forgiveness
8. Memorial address "take 2 version"
Septième album sortit le 15 décembre 2004:
My Story :
01. Catcher In The Light
02. About You
03. GAME
04. my name's WOMEN
05. WONDERLAND
06. Liar
07. HOPE or PAIN
08. HAPPY ENDING
09. Moments
10. walking proud
11. CAROLS
12. Kaleidoscope
13. INSPIRE
14. HONEY
15. Replace
16. winding road
17. Humming 7/4
huitième album sortit 1er janvier 2006 :
Miss understood:
1 Bold&Delicious
2 Step You
3 Ladies Night
4 Is This Love?
5 (Miss)Understood
6 Alterna
7 In The Corner
8 Tasking
9 Criminal
10 Pride
11 Will
12 Heaven
13 Are You Wake Up?
14 Fairyland
15 Beautiful Day
16 Rainy Day
Neuvième album sortit 29 Novembre 2006 :
1 Not yet
2 until that Day...
3 Startin'
4 1 LOVE
5 It was
6 LABYRINTH
7 JEWEL
8 momentum
9 taskinst
10 Born To Be...
11 Beautiful Fighters
12 BLUE BIRD
13 kiss o' kill
14 Secret