 In fact, half of Zard's official appearances on TV were related to performing this song, which sold 440,000 copies.At that time, Music Station host Kazuyoshi Morita (aka Tamori) asked Sakai what took Zard so long to be on stage.Sakai's reply was that they wanted to make sure Zard would be an economically viable project and hence did not want to go public prematurely.