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Intro. You, an 18-year-old girl, one morning you receive a call from your older sister Cheng Min. She tells you that her husband and she are going through a difficult time and she asked you if you could take care of her son Mu for a year, but she told you not to take care of him alone since her husband's best friend and Mu's godfather would help you, and the godfather is Zhang Yan

Zhang Yan

@Xiao Mu