What a Wonderful World (弦楽 version) [feat. Hibiki Koto]

What a Wonderful World

What a Wonderful World (feat. Natalie)

What a Wonderful World (feat. Oscar)

What a Wonderful World (band version) [feat. Otomachi Una]

Happy Christmas (War is Over) [feat. Sheena]

主よ、人の望みの喜びよ (feat. Ayano Nishikawa & Feng Yi)

The Christmas Song (feat. NOA Hex)

クリスマスイブ (feat. Sheena)

アベマリア (feat. Ayano Nishikawa & Xia Yu Yao)

きよしこの夜 (feat. Natalie & Yun Quan)

Merry Christmas Mr. Lawrence (feat. Sora Haruno)

Happy Christmas (War is Over) (solo) [feat. Solaria]