 Only a few months later, the single version was released, although very similar to the recording on "Blue Blood", it does not have the orchestrated intro.While appearing to be a love song, Yoshiki stated that "Kurenai" is actually about the struggle of one's heart.hide revealed that it was his favorite X song before he joined the band and was disappointed that they did not perform it when he did, so he had to nag to get them to play it.