Once upon a time, in an era when humans and youkai (supernatural beings) lived together in the same world. The wandering swordsman Sai arrives at a certain village seeking lodging. She learns that the village is being threatened by the ominous monster "Venom," and decides to lend her strength to the villagers. Meanwhile, somewhere else, in a different time. The lonely girl Mariko is troubled by strange dreams that seem all too real. The mysterious maid working at her house, Kuroki, seems to know something, but what...? ------------------------------------------------------------------- This is an unread book. We cannot accept returns, cancellations, or excessive price reductions, so please purchase only if you understand this. We also have movie software and books for sale. We can offer a small discount if you purchase them together, so please consider it.