Akko
- Powder Snow
- KICA-5041 : Leaf Vocal Collection Vol.1 (Misc-Compilation)
- arigatou
- KICA-1424 : Aqua Plus Vocal Collection Vol.4 (Misc-Compilation)
- ayumi
- AQMC-001 : Leaf Vocal Collection Vol.2 (Misc-Compilation)
- hitori
- KICA-1423 : Aqua Plus Vocal Collection Vol.3 (Misc-Compilation)