- 初めての恋が終わる時--Vocal2collabhona*
- Wherever you areONE OK ROCKVocal1collabhona*
- Be Aliveモーニング娘。Vocal1collabhona*
- I remember youYUIVocal1collabhona*
- Rolling starYUIVocal1collabhona*
- Good-bye daysYUIVocal1collabhona*
- 花は桜 君は美しいきものがかりVocal1collabhona*
- It's all too much-YUI(アコギ伴奏)YUIVocal1collabhona*
- The BeginningONE OK ROCKVocal1collabhona*
- Innocence(off vocal)初音ミクVocal1collabhona*