Ring (平井堅の曲)
Ring LIFE is... Ken Hirai 10th Anniversary Complete Single Collection '95-'05 歌バカ
somebody's girl LIFE is...
Strawberry Sex ‐Sweet Mix‐ アルバム未収録
Strawberry Sex(Original Version) LIFE is... Ken Hirai 10th Anniversary Complete Single Collection '95-'05 歌バカ