- ひまわりの約束(コラボ用)秦 基博Guiarbosabosabosatsu
- 三日月(後半、男性キー♭5)絢香Guiarbosabosabosatsu
- 三日月(コラボ用男性キー♭5)絢香Guiarbosabosabosatsu
- さくら(独唱)(コラボ用)森山直太朗Guiarbosabosabosatsu
- winter fallL'Arc-en-CielVocalbosabosabosatsu
- Automatic(♭4)宇多田ヒカルVocal1collabbosabosabosatsu
- くるみMr.ChildrenVocal2collabbosabosabosatsu
- LOVE LOVE LOVEDREAMS COME TRUEVocal1collabbosabosabosatsu
- 三日月絢香Vocal2collabbosabosabosatsu
- 抱きしめたいMr.ChildrenVocal1collabbosabosabosatsu