aniplex released the three region 2 dvd compilations from may 26, 2004 to december 22, 2004. on december 1, 2004, the soundtrack to the ova was released by wint. it contained eighteen tracks by yuki kajiura, including the main theme music . later released as a single on august 11, 2004, "hōseki" is sung by marina inoue. during the period when geneon entertainment held the license, the episodes were aired on fuse tv the anime has since been relicensed by sentai filmworks, with distribution from section23 films. the ova was released on april 20, 2010 and streamed on the anime network a month later.