111曲ヒット
- WING OF ZERO-the ring- KOTOKO
- Wing my Way KOTOKO
- ZoNE-iT KOTOKO
- [-∞-DRIVE] KOTOKO
- agony KOTOKO
- beat KOTOKO
- being KOTOKO
- call KOTOKO
- capriccio～心はいつも曇りのち晴れ～ KOTOKO
- daily-daily Dream KOTOKO
- frozen fir tree KOTOKO
- mirror garden KOTOKO
- rush KOTOKO
- scene KOTOKO
- snIpe KOTOKO
- snow angel KOTOKO
- Χ-kai- KOTOKO
- β-粘土の惑星 KOTOKO
- ε～Epsilon～ KOTOKO
- →unfinished→ KOTOKO