| # | Title |
Released |
| 01 | love the island | 1998.07.01 |
| 02 | alone in my room | 1998.09.17 |
| 03 | all night long | 1998.11.05 |
| 04 | white key | 1998.12.16 |
| 05 | Nothing Without You | 1999.02.17 |
| 06 | Don't leave me behind | 1999.03.17 |
| 07 | BE TOGETHER | 1999.07.14 |
| 08 | OUR DAYS | 1999.09.29 |
| 09 | HAPPY NEW MILLENNIUM | 1999.12.22 |
| 10 | Don'tneed to say good bye | 2000.01.26 |
| 11 | THANK YOU 4 EVERY DAY EVERY BODY | 2000.04.12 |
| 12 | Realitty / Dancin'In HIP-HOP | 2000.09.27 |
| 13 | FOREVER LOVE | 2004.08.11 |
| 14 | Delightful | 2005.03.24 |
| 15 | Eventful | 2005.05.25 |
| 16 | Negaigoto | 2005.08.17 |
| 17 | AROUND THE WORLD | 2005.10.12 |
| 18 | Happiness is... | 2005.11.19 |
| 19 | Little Crystal | 2005.12.07 |
| 20 | Fantastic | 2006.02.08 |
| 21 | Alright | 2006.05.17 |
| 22 | Like a Love? | 2006.07.26 |
| 23 | O.K. Funky God | 2007.02.28 |
| 24 | Peace Otodoke!! | 2007.03.07 |
| 25 | Soremo kitto shiawase | 2007.03.14 |
| 26 | Free Free/Super Music Maker | 2007.08.22 |
| 27 | Potential Breakup Song | 2007.11.28 |
| 28 | One | 2008.07.02 |
| 29 | Can't Stop the Disco | 2008.09.24 |
| 30 | Reincarnation | 2009.02.25 |
