About fifty years ago, a lyric was delivered from Yu Aku, a lyricist, and I got a song and the song was released with Mariko Kyou.
And last year, I started trying again with Hatsune Miku following the release of "Mariko Kyou" album from Colombia in Japan.
About this song I also found the comment of Yu Aku. Please visit this site.
キャラクター： Hatsune Miku