Year 2116—The Japanese government begins to export the Sibyl System unmanned drone robots to troubled countries, and the system spreads throughout the world. A state in the midst of a civil war, SEAUn (the South East Asia Union), brings in the Sibyl System as an experiment. Under the new system, the coastal town of Shambala Float achieves temporary peace and safety. But then SEAUn sends terrorists to Japan. They slip through the Sibyl System and then attack from within. The shadow of a certain man falls on this incident. In charge of the police, Tsunemori travels to Shambala Float to investigate. The truth of justice on this new ground will become clear.

Kyuta, a boy living in Shibuya, and Kumatetsu, a lonesome beast from Jutengai, an imaginary world. One day, Kyuta forays into the imaginary world and, as he’s looking for his way back, meets Kumatetsu who becomes his spirit guide. That encounter leads them to many adventures.

A look at the relationship between a young blind samurai (Kimura) and his wife, who will make a sacrifice in order to defend her husband’s honor.