Single # | Single information | Peak Position | Sales Total | Chart Run |
---|
1st / Debut | "Dreamin' Away" - Released: February 19, 2003
- Studio Album: Sincerely
- B-sides: Now, 24 Seven
- Length: 14:50
- Language: Japanese
- Catalog#: TFCC-89058
| 33 | 20,054 | 8 weeks |
2nd | "Simple as That/Over the Rainbow" - Released: June 18, 2003
- Studio Album: Sincerely
- Length: 11:04
- Language: Japanese
- Catalog#: TFCC-89070
| 19 | 14,608 | 5 weeks |
3rd | "Crystal Love" - Released: November 27, 2003
- Studio Album: Sincerely
- B-side: Do You Hear What I Hear?
- Length: 13:40
- Language: Japanese
- Catalog#: TFCC-89082
| 34 | 16,889 | 11 weeks |
4th | "Believe Me (Japanese Version)" - Released: June 9, 2004
- B-side: So into You (Japanese Version)
- Length: 17:11
- Language: Japanese
- Catalog#: TFCC-89103
| 16 | 17,539 | - |
4th | "Believe Me (English Version)" - Released: June 9, 2004
- B-side: So into You (English Version)
- Length: 17:15
- Language: English
| 30 | 11,950 | - |
5th | "Next to You" - Released: January 12, 2005
- Studio Album: Be as One
- B-side: Summer Memory
- Length: 16:53
- Language: Japanese
- Catalog#: TFCC-89127
| 14 | 21,876 | 6 weeks |
6th | "Realize/Take a Chance" - Released: August 17, 2005
- Studio Album: Be as One
- Length: 22:00
- Language: Japanese
- Catalog#: TFCC-89145
| 6 | 127,869 | 4 weeks |
7th | "See You..." - Released: February 15, 2006
- Studio Album: Be as One
- B-side: Close Your Eyes
- Length: 20:20
- Language: Japanese
- Catalog#: TFCC-89157
| 19 | 13,070 | 5 weeks |
8th | "Lovin' U" - Released: November 8, 2006
- Studio Album: Ready to Go!
- B-sides: Our Journey, Feel the Rush
- Length: 18:14
- Language: Japanese
- Catalog#: TFCC-89188
| 16 | 15,434 | 3 weeks |
9th | "Finding My Road" - Released: February 14, 2007
- Studio Album: Ready to Go!
- B-sides: Fragile, My Dear
- Language: Japanese
- Catalog#: TFCC-89193
| 14 | 17,594 | 4 weeks |
10th | "Love Story" - Released: May 30, 2007
- Studio Album: Ready to Go!
- B-sides: BoRn 2 Luv U (Melody Loves M-Flo)
- Length: 17:08
- Language: Japanese
- Catalog#: TFCC-89206
| 21 | 10,922 | 2 weeks |
11th | "Haruka" - Released: February 13, 2008
- Studio Album: Lei Aloha
- B-side: That's The Way It Is
- Length: 19:29
- Language: Japanese
- Catalog#: TFCC-89237
| 10 | 39,042 | - |