- THE WORLD IS MINE《無伴奏》QUARTET NIGHT/ioliiloi(いおり)
- Dreamer【無伴奏】鳳瑛二/ioliiloi(いおり)
- I swear…《無伴奏》聖川真斗/ioliiloi(いおり)
- Dreamer【無伴奏】鳳瑛二/ioliiloi(いおり)
- God's S.T.A.R. 《2番途中からアカペラで》QUARTET NIGHT/ioliiloi(いおり)
- BE PROUD 《無伴奏》黒崎蘭丸/ioliiloi(いおり)
- My Little Little Girl《無伴奏》一ノ瀬トキヤ/ioliiloi(いおり)
- STATE OF PERFECTION【無伴奏】鳳瑛一/ioliiloi(いおり)
- Over the Rainbow《無伴奏》一十木音也/ioliiloi(いおり)
- BRIGHT ROAD《無伴奏》黒崎蘭丸/ioliiloi(いおり)
- Dazzling darling (アカペラ)皇綺羅/ioliiloi(いおり)
- Feather in the hand【無伴奏】聖川真斗&カミュ&鳳瑛二/ioliiloi(いおり)