First album: A song for XX
01- Prologue
02- A song for XX
03- Hana
04- Friend
05- Friend II
06- Poker face
07- Wishing
08- You
09- As if...
10- Powder show
11- Trust
12- Depend on you
13- Signal
14- from your letter
15- for my dear
16- Present
Second album: LOVEppears
01- Introduction
02- Fly high
03- Trauma
04- And then
05- Immature
06- Boys and 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...
Third album: Duty
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
Forth album: I am
01- I am
02- opening run
03- Connected
04- UNITE!
05- Evolution
06- Naturally
07- NEVER EVER
08- Still alone
09- Daybreak
10- Taskinlude
11- M
12- A song is born
13- Dearest
14- No more words
15- Endless sorrow ~gone with the wind ver.~
15b- Flower garden (hidden track)
Fifth album: Rainbow
01- Rainbow
02- Everlasting dream
03- We wish
04- Real me
05- Free and easy
06- Heartplace
07- Over
08- Hanabi
09- Taskinillusion
10- Everywhere nowhere
11- July 1st
12- Dolls
13- Neverending dream
14- Voyage
15- Close to you
16- Independent +
Sixth album: Memorial address
01- Angel's song
02- Greatful days
03- Because of you
04- Ourselves
05- Hanabi ~episode II~
06- No way to say
07- Forgiveness
08- Memorial address ~take2 ver.~
Seventh album: 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
Eighth album: (Miss)understood
01- Bold and Delicious
02- Step you
03- Ladies night
04- Is this love?
05- (miss)understood
06- Alterna
07- In the corner
08- Tasking
09- Criminal
10- Pride
11- Will
12- HEAVEN
13- Are you wake up
14- Fairyland
15- Beautiful day
16- Rainy day
Nineth album: Secret
01- Not yet
02- Until that day
03- Startin'
04- 1LOVE
05- It was2
06- LABYRINTH2
07- JEWEL
08- Momentum
09- Taskinst
10- Born to be
11- Beautiful fighters
12- Blue bird
13- Kiss o' kill
14- Secret