Kyoko Kazan is a character in Moonlight Syndrome. She is Ryo Kazan's sister and lover. She dated Sumio Tohba but loved Ryo more. Because of this, Sumio makes a contract with Mithra which causes Kyoko's death, causing the events of the game. After her death, her head is kept in a paper bag by Ryo. Her head also appears being carried by Ryo in The Silver Case.

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