In a world shielded by angels from demonic threats, a young orphan with mysterious pitch-black wings is discovered. His unique existence may hold the key to the very fate of the kingdom.

This fantasy mystery manga from Kodansha USA explores a realm where divine protectors defend humanity. When Roku, an orphan with unusual dark wings, appears, his true nature sparks questions and challenges the established order.
As the mystery of Roku's origins unfolds, the fragile balance between angels and demons hangs in the balance. Readers follow his journey to uncover the truth and fulfill his potential destiny.

A Kingdom of Quartz is a fantasy mystery manga where an orphan with black wings holds the key to a world protected by angels from demons. Follow Roku's journey.

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