Cuando destinaron a su padre a Minos, un asteroide en una galaxia moribunda, Orfeo no sospechaba de las auténticas intenciones de SAITO, la todopoderosa multinacional energética. Junto a Morfeo, su gemelo, Orfeo se verá arrastrado por un siniestro plan que pondrá en juego su vida, la de los otros habitantes de la estación y el origen de la hikari: la misteriosa energía limpia de SAITO. When his father was appointed to work on Minos, an asteroid in a dying galaxy, Orpheus did not suspect the real intentions of SAITO, the almighty energy company. Along with Morpheus, his twin, Orpheus will be dragged by a sinister plan that will put his life and that of all the inhabitants of the station in distress, thereby revealing the origin of the mysterious SAITO's clean energy: the hikari.