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Description
This story follows Hwasa, who goes by her real name, and Wheein. They are stepsisters. Hyejin and Wheein are extremely smart duos. They work with detectives on cases that are too hard and are able to close them fast. Wheein looks through files that are deemed difficult and Hyejin closed them, that's why they were given the names Open and Shut.
My Sister is my Soulmate
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