In Japan, the Snake-Dragon Cock, having given birth to a florilège of myths, including that of the origin of the world, has disappeared. Charged by Master Kazé to find her, our young Takeo will have to face a whole bunch of Yökais, including one of the oldest creatures on the island. But also try to defend his friend Eïko, of whom he is secretly in love, and on which a strange curse is being laid...