A world divided sharply between low and high deck citizens.

An alien race is introduced to thwart the balance.

PART 1: THE L. D. ANGELS

The sole survivor from a winged race attempts to expose the Nobles' schemes and thus this reason, forms the L. D . Angels terrorist group.

Weird savior to a demon race is born.

Is he the good guy, or is he truly evil?

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Migurigum, emotionless beings on the physical plane, feared as demons by all. Geltun Migurigum, persecuted children who 'awaken', becoming something similar to these creatures.

Sanji is a boy with amnesia who wakes up to find himself in the Geltun Migurigum school. Here he is bullied and weird phenomena occur around him.

Sico is the second boy of prophecy whose family was killed by the Migurigum. He goes on a journey with a Migurigum-killing sword to kill them all.

Part one, 12 chapters, brings the two main characters together. Who is Kazuri, what is Sanji's past and what is the goal of the Migurigum?