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Hei's younger sister. Bai is the Contractor responsible for the disappearance of Heaven's Gate five years prior to the story's setting and had since vanished. Her name means white in Chinese, while Hei means black.<br /> <br />
生日：
年齡：
性別：
身高：
Hei's younger sister. Bai is the Contractor responsible for the disappearance of Heaven's Gate five years prior to the story's setting and had since vanished. Her name means white in Chinese, while Hei means black.<br /> <br />
