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A young girl living in the village of Matsurika.
She was born with "Keigan" to distinguish valuable gemstones from rough ones, and is entrusted with the responsibility of being a Gem Appraiser.

She is in charge of her family's destiny, as gem is necessary for trade to obtain "fire," which is indispensable for daily life. She is loved by the villagers for her honesty, kindness, and sense of responsibility.