A friend of Nanase Kotobuki who is discovered by Konoha and Tohko while staking out the school's birdhouse. Reveals that the mysterious drawings belong to Miu Asakura, serving as a minor clue-provider in the initial mystery.
Chia is a friend and classmate of Nanase who provides crucial information about the drawings.
Chia recognizes the birdhouse illustrations as belonging to Miu and reveals this to Konoha.
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