一天 HARU
http://music.naver.com/lyric/index.nhn?trackId=2295637

一天 HARU (Rock ver.)
http://music.naver.com/lyric/index.nhn?trackId=2295641

一天 HARU (X-Mas)
http://music.naver.com/lyric/index.nhn?trackId=2321512