 Misia, who is said to be an avid Disney fan, was offered by the Tokyo Disney Resort producers to be the first artist to sing the theme song for the Tokyo DisneySea theme park.The song was written to celebrate the theme park's fifth anniversary and served as its theme song for a duration of ten months, starting July 14, 2006.In a press release, Misia commented, "When I saw the (Tokyo DisneySea) show, I was overcome with energy and tears of happiness.