Su Yu woke up dressed as her best friend Mary Sue, a character that doesn't exist in literature? ! It is neither the heroine Xia Yixiao nor the vicious female supporting character Yan Ning, but Wen Yuqing, the daughter of the Minister of Rites who has never been mentioned in the book. Facing this familiar but unfamiliar world in the book, where should Su Yu go?
Purpose: Go to your best friend's book and check that there is no such person