Komurasaki/Hiyori has motive to help the people of Wano since she’s Oden’s daughter.
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Komurasaki has money. She turns out tobe good when talking to Zoro. She lives double life: one as an oiranto get money from the rich and second one as the “witching hour boy”.
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The last time “withing hour boy” appeared was the night before Komuraski’s fake death.
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Komurasaki was shocked when Brook said they caught the “witching hour boy”. She said it was “impossible” because she knew Yasuie wasn’t.
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Komurasaki being “witching hour boy” would give depth to her character.
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*Theory by Theunknown94