Mika and Koryu are two beautiful siblings who possess red wings. They arespecial vampires who can live even under the sun's rays or in the presenceof a cross. Koryu remains mute to Mika, who nurses misgivings about wandering sofar from their comrades. But because of their estrangement from Kinsei, whopossesses wings of the same color, the sealed door to their past is about to beopened