In a world where the sun does not shine for 37 years, humanity has been forced to live in darkness. Amidst this bleak environment, a young boy named Kimitaka finds himself entangled in a mystery surrounding a figure known as the "Shadow," who seems to be manipulating the course of events. As Kimitaka delves deeper into the truth, he uncovers a dark conspiracy that threatens the very existence of humanity in this dark world.
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