List of promotional singles or non-billed A-sides, with selected chart positions

Title

Year

Peak chart positions

Certifications

Album

Billboard Japan Hot 100
{{efn|group=upper-alpha|Sources for chart positions are as follows: "Next Level", "Microphone", "Virgin Road", "Love Song", "Why...", "Progress", "You & Me", "Song 4 U", "Pray", "Hello New Me".}}

RIAJ
monthly
ringtones
{{efn|group=upper-alpha|The RIAJ "Reco-kyō" monthly ringtone chart is a depreciated chart that ran from 2006 until 2009.}}{{efn|group=upper-alpha|name=RIAJringtone|Sources for chart positions are as follows: "Ladies Night", "1 Love", "Jewel", "Momentum", "Part of Me", "Memorial Address", "Secret", "Decision", "(Don't) Leave Me Alone", "My All", "Guilty", "Untitled (For Her)", "Mirror", "Life", "Who...", "Next Level".}}

RIAJ
Digital
Track
Chart

{{efn|group=upper-alpha|The RIAJ Digital Track Chart is a depreciated chart that ran from 2009 until early 2012 and tracked full-length cellphone downloads.}}{{efn|group=upper-alpha|name=RIAJdigital|Sources for chart positions are as follows: "Next Level", "Microphone", "Love Song", "Why...", "Another Song", "Progress", "Happening Here", "Curtain Call", ""Fairyland-Glitter-Blue Bird-Greatful Days-July 1st" Mega-Mash-Up-Mix", "Don't Look Back", "Sexy Little Things", "Lady Dynamite", "Countdown", "Meaning of Love", "Last Links", "Seven Days War", "Virgin Road", "Sweet Season", "Last Angel", "Beloved", "Brillante", "Party Queen", "Return Road".}}

"Monochrome"

1999

"A" (single) / Loveppears

"Too Late"

"Trauma"

"End Roll"

"Independent"

2002

"H" (single) / Rainbow

"July 1st"

"Hanabi"

"Connected"

I Am...

"Heartplace"

Rainbow

"Rainbow"

2003

A Ballads

"Ourselves"

"&" (single) / Memorial Address

"Greatful Days"

"Hanabi (Episode II)"

"Game"

2004

My Story

"Naturally"

I Am...

"Jewel"

2006

4

  • RIAJ (ringtone): 3× Platinum
  • RIAJ (digital): Platinum

Secret

"Momentum"

20

  • RIAJ (digital): Gold

"Part of Me"

2007

14

  • RIAJ (cellphone): Gold

A Best 2: Black

"Who..."{{efn|group=upper-alpha|Originally released on ''Loveppears'' (1999), a re-recorded version was used to promote her compilation album ''A Complete: All Singles''.}}

2008

—{{efn|group=upper-alpha|Charted at number 49 on the Adult Alternative Airplay chart in 2008.}} 19

  • RIAJ (digital): Gold

A Complete: All Singles

"Next Level"

2009

89 16

23

Next Level

"Microphone"

2010

33

10

Rock 'n' Roll Circus

"Virgin Road"

2

6

  • RIAJ (cellphone): Gold

"L" (single) / Love Songs

"Sweet Season"

23

"Last Angel"

37

"Love Song"

39

4

  • RIAJ (cellphone): Gold

Love Songs

"Why..." (featuring Juno)

2011

95

6

Five

"Progress"

41

2

  • RIAJ (cellphone): Gold

"Another Song" (featuring Naoya Urata)

8

"Happening Here"

42

A Summer Best

"You & Me"

2012

33

  • RIAJ (digital): Gold

"Song 4 U"

44

Love / Love Again

"Wake Me Up"

Again / Love Again

"Tell All"

2013

Non-album single

"Pray"

2014

76

Colours

"Hello New Me"

29

"—" denotes items that were released before the creation of the Japan Hot 100, or before or after the RIAJ monthly ringtones chart and digital track chart.

List of promotional singles or non-billed A-sides, with selected chart positions

Title

Year

Peak chart positions

Certifications

Album

Billboard Japan Hot 100
{{efn|group=upper-alpha|Sources for chart positions are as follows: "Next Level", "Microphone", "Virgin Road", "Love Song", "Why...", "Progress", "You & Me", "Song 4 U", "Pray", "Hello New Me".}}

RIAJ
monthly
ringtones
{{efn|group=upper-alpha|The RIAJ "Reco-kyō" monthly ringtone chart is a depreciated chart that ran from 2006 until 2009.}}{{efn|group=upper-alpha|name=RIAJringtone|Sources for chart positions are as follows: "Ladies Night", "1 Love", "Jewel", "Momentum", "Part of Me", "Memorial Address", "Secret", "Decision", "(Don't) Leave Me Alone", "My All", "Guilty", "Untitled (For Her)", "Mirror", "Life", "Who...", "Next Level".}}

RIAJ
Digital
Track
Chart

{{efn|group=upper-alpha|The RIAJ Digital Track Chart is a depreciated chart that ran from 2009 until early 2012 and tracked full-length cellphone downloads.}}{{efn|group=upper-alpha|name=RIAJdigital|Sources for chart positions are as follows: "Next Level", "Microphone", "Love Song", "Why...", "Another Song", "Progress", "Happening Here", "Curtain Call", ""Fairyland-Glitter-Blue Bird-Greatful Days-July 1st" Mega-Mash-Up-Mix", "Don't Look Back", "Sexy Little Things", "Lady Dynamite", "Countdown", "Meaning of Love", "Last Links", "Seven Days War", "Virgin Road", "Sweet Season", "Last Angel", "Beloved", "Brillante", "Party Queen", "Return Road".}}

"Monochrome"

1999

"A" (single) / Loveppears

"Too Late"

"Trauma"

"End Roll"

"Independent"

2002

"H" (single) / Rainbow

"July 1st"

"Hanabi"

"Connected"

I Am...

"Heartplace"

Rainbow

"Rainbow"

2003

A Ballads

"Ourselves"

"&" (single) / Memorial Address

"Greatful Days"

"Hanabi (Episode II)"

"Game"

2004

My Story

"Naturally"

I Am...

"Jewel"

2006

4

  • RIAJ (ringtone): 3× Platinum
  • RIAJ (digital): Platinum

Secret

"Part of Me"

2007

14

  • RIAJ (cellphone): Gold

A Best 2: Black

"Who..."{{efn|group=upper-alpha|Originally released on ''Loveppears'' (1999), a re-recorded version was used to promote her compilation album ''A Complete: All Singles''.}}

2008

—{{efn|group=upper-alpha|Charted at number 49 on the Adult Alternative Airplay chart in 2008.}} 19

  • RIAJ (digital): Gold

A Complete: All Singles

"Next Level"

2009

89 16

23

Next Level

"Microphone"

2010

33

10

Rock 'n' Roll Circus

"Virgin Road"

2

6

  • RIAJ (cellphone): Gold

"L" (single) / Love Songs

"Sweet Season"

23

"Last Angel"

37

"Love Song"

39

4

  • RIAJ (cellphone): Gold

Love Songs

"Why..." (featuring Juno)

2011

95

6

Five

"Progress"

41

2

  • RIAJ (cellphone): Gold

"Another Song" (featuring Naoya Urata)

8

"Happening Here"

42

A Summer Best

"You & Me"

2012

33

  • RIAJ (digital): Gold

"Song 4 U"

44

Love / Love Again

"Wake Me Up"

Again / Love Again

"Tell All"

2013

Non-album single

"Pray"

2014

76

Colours

"Hello New Me"

29

"—" denotes items that were released before the creation of the Japan Hot 100, or before or after the RIAJ monthly ringtones chart and digital track chart.

[digital, Gold, Momentum, 20, RIAJ][digital, Gold, Momentum, 20, RIAJ]

List of songs not released as singles or promotional singles, with selected chart positions and certifications

Title

Year

Peak chart positions

Certifications

Album

RIAJ
monthly
ringtones
{{efn|group=upper-alpha|name=RIAJringtone}}

RIAJ
Digital
Track
Chart
{{efn|group=upper-alpha|name=RIAJdigital}}

"A Song for ××"

1999

  • RIAJ (cellphone): Gold

A Song for ××

"Teddy Bear"

2000

  • RIAJ (digital): Gold

Duty

"Memorial Address"

2003

82

  • RIAJ (digital): Gold

Memorial Address

"Ladies Night"

2006

71

  • RIAJ (digital): Gold

(Miss)understood

"1 Love"

73

Secret

"Secret"

45

"Decision"

2007

35

"Talkin' 2 Myself" (single) / Guilty

"(Don't) Leave Me Alone"

2008

29

Guilty

"My All"

36

  • RIAJ (cellphone): Gold

"Guilty"

54

"Untitled (For Her)"

84

"Mirror"

93

"Life"

22

"Mirrorcle World" (single)

"Curtain Call"

2009

88

Next Level

""Fairyland-Glitter-Blue Bird-Greatful Days-July 1st" Mega-Mash-Up-Mix"

45

Non-album song

"Don't Look Back"

2010

20

Rock 'n' Roll Circus

"Sexy Little Things"

52

"Lady Dynamite"

66

"Countdown"

67

"Meaning of Love"

49

"Last Links"

50

"Seven Days War"

2010

40

"Crossroad" (single) / Love Songs

"Beloved"

2011

4

Five

"Brillante"

53

"Party Queen"

2012

23

Party Queen

"Return Road"

85

"—" denotes items that were released before or after the RIAJ monthly ringtones chart and digital track chart existed.

List of songs not released as singles or promotional singles, with selected chart positions and certifications

Title

Year

Peak chart positions

Certifications

Album

RIAJ
monthly
ringtones
{{efn|group=upper-alpha|name=RIAJringtone}}

RIAJ
Digital
Track
Chart
{{efn|group=upper-alpha|name=RIAJdigital}}

"A Song for ××"

1999

  • RIAJ (cellphone): Gold

A Song for ××

"Teddy Bear"

2000

  • RIAJ (digital): Gold

Duty

"Memorial Address"

2003

82

  • RIAJ (digital): Gold

Memorial Address

"Ladies Night"

2006

71

  • RIAJ (digital): Gold

(Miss)understood

"Momentum"

20

  • RIAJ (digital): Gold

Secret

"1 Love"

73

"Secret"

45

"Decision"

2007

35

"Talkin' 2 Myself" (single) / Guilty

"(Don't) Leave Me Alone"

2008

29

Guilty

"My All"

36

  • RIAJ (cellphone): Gold

"Guilty"

54

"Untitled (For Her)"

84

"Mirror"

93

"Life"

22

"Mirrorcle World" (single)

"Curtain Call"

2009

88

Next Level

""Fairyland-Glitter-Blue Bird-Greatful Days-July 1st" Mega-Mash-Up-Mix"

45

Non-album song

"Don't Look Back"

2010

20

Rock 'n' Roll Circus

"Sexy Little Things"

52

"Lady Dynamite"

66

"Countdown"

67

"Meaning of Love"

49

"Last Links"

50

"Seven Days War"

2010

40

"Crossroad" (single) / Love Songs

"Beloved"

2011

4

Five

"Brillante"

53

"Party Queen"

2012

23

Party Queen

"Return Road"

85

"—" denotes items that were released before or after the RIAJ monthly ringtones chart and digital track chart existed.