Lu Xun—Shen Yiyun

Lu Xun—Shen Yiyun is a cousin-like family relationship built through adoption and kinship language rather than blood. Lu Xun identifies Shen Yiyun as the child adopted by his uncle and therefore his cousin, while Shen Yiyun addresses him as her older brother. The relationship is presented as familiar and affectionate, but its lack of blood connection leaves its boundaries unusually vulnerable to interpretation. That instability becomes important because Shen Yiyun’s attachment to Lu Xun is expressed through physical familiarity, coquettish behavior, and a desire for exclusive access, while Su Xiangcheng reads those gestures through the anxieties of marriage and romantic rivalry.

Kinship Without Blood

Lu Xun explains that Shen Yiyun is his uncle’s adopted child and therefore his cousin. She has come to Cloud City to perform, and Lu Xun arranges for her to stay in a house closer to the theater. His account establishes the relationship as legitimate within the family structure, yet it also makes clear that the bond is not based on shared blood. Shen Yiyun is slightly older than Su Xiangcheng but behaves like a child, remaining strongly attached to Lu Xun and acting coquettishly around him.

The language of the relationship reinforces its familial appearance. Shen Yiyun calls Lu Xun her older brother and calls Su Xiangcheng her sister-in-law. She complains that Lu Xun had long refused to let her meet his wife, even though she had wanted to see Su Xiangcheng for a long time. Her grievance makes the relationship look like an ordinary family bond interrupted by secrecy, but the intensity of her wish to meet the wife and her habit of addressing Lu Xun with childish intimacy also give the kinship language a protective, sheltering function.

The Relationship in Daily Interaction

When Lu Xun prepares to leave, Shen Yiyun runs after him and jumps up to straighten his hat and the hair beneath it. She teases him for being a married business leader who does not pay enough attention to his appearance. Lu Xun answers that since he is already married, there is no reason to care so much about his appearance. The exchange is playful and familiar, but its physical ease is precisely what makes it visible to Su Xiangcheng as something more than neutral family courtesy.

Shen Yiyun also reacts openly to Lu Xun and Su Xiangcheng’s affection. When the couple display tenderness in front of her, she complains that they are showing too much love in front of someone who is alone. Lu Xun then asks whether she has met the blind date arranged by his mother. Shen Yiyun says that the man is handsome and that she is satisfied, but wonders whether a young master would like someone like her. Lu Xun reassures her that a man willing to attend the blind date must already accept her. The conversation shows him treating her as a younger female relative whose romantic future can be discussed and managed within the family, even as her dependence on his reassurance keeps her emotionally oriented toward him.

Su Xiangcheng’s Suspicion

The relationship becomes a major source of strain because Su Xiangcheng does not experience Shen Yiyun’s conduct as harmless. After seeing Shen Yiyun adjust Lu Xun’s hat and hair in a warm, intimate scene, Su Xiangcheng’s expression grows cold. Shen Yiyun notices the hostility and concludes that her sister-in-law dislikes her. Her response turns the tension into a triangle: Shen Yiyun feels rejected by the wife, while the wife feels displaced by the cousin-like relative.

Su Xiangcheng later describes Shen Yiyun’s behavior as troubling, particularly the intimacy between the two and the things Shen Yiyun has said to her. The concern is not simply that Shen Yiyun is affectionate; it is that the kinship label seems unable to settle what the gestures mean. Su Qingwen responds that any ordinary woman would notice the implication, while a man might pretend not to understand because he enjoys the ambiguous atmosphere. This interpretation intensifies Su Xiangcheng’s fear that Lu Xun is not merely failing to recognize a boundary but benefiting from its uncertainty.

The conflict also exposes Lu Xun’s broader pattern of controlling information within his marriage. When Su Xiangcheng becomes angry about the situation, she compares it with the earlier problem involving Song Yun’er and criticizes him for not telling her matters directly. Lu Xun accepts the rebuke and promises that he will correct his mistakes. The issue therefore shifts from Shen Yiyun’s conduct alone to the question of whether Lu Xun can make his marital loyalties legible to Su Xiangcheng.

Boundaries, Desire, and Rivalry

The non-blood basis of the relationship is made explicit during Lu Xun’s confrontation with Chu Fei. Chu Fei remarks that a woman can wear the clothes of a close relative without actually sharing kinship, and says that, more importantly, he liked her. In the same discussion, Chu Fei characterizes Lu Xun as an eyesore because of his interest in Su Qingrou and describes himself as someone who enjoys the process of pursuit. Although this exchange concerns another relationship, it supplies the novel’s wider vocabulary for treating familial appearance as a possible disguise or boundary around desire.

That vocabulary makes the Lu Xun–Shen Yiyun relationship narratively unstable without proving that the two have a romantic relationship. The evidence presents Shen Yiyun as Lu Xun’s adopted cousin and his affectionate junior relative, not as his lover. The danger lies in the mismatch between the formal category and the visible behavior: cousin and sister-in-law are the official names, while touch, attachment, jealousy, and guarded access make the emotional field look less settled. Su Xiangcheng’s marriage turns this ambiguity into a question of dignity and security rather than a private family eccentricity.

Marital Consequences and Narrative Function

Su Xiangcheng’s suspicion is sharpened by the conditions of her marriage to Lu Xun. She is already sensitive to signs that he may conceal important relationships or compare her with other women. When Lu Xun says that he had prevented Shen Yiyun from meeting her, the delay can be understood as an attempt to keep the two women apart, but it also gives Su Xiangcheng another reason to distrust his judgment. A relationship that Lu Xun regards as self-evidently familial becomes, for his wife, evidence that he has not protected the marriage from ambiguity.

The relationship thus functions as a test of whether kinship language can restrain desire and whether marriage can survive relationships that are socially legitimate but emotionally difficult to read. Shen Yiyun’s behavior repeatedly invites closeness; Lu Xun responds with indulgence, practical arrangements, grooming banter, and discussion of her blind date; Su Xiangcheng responds with coldness, anger, and demands for explanation. The resulting conflict does not rest on a confirmed betrayal. It rests on the failure of a non-blood family bond to remain emotionally transparent once it enters the space of a possessive, insecure marriage.

In the broader narrative, Lu Xun—Shen Yiyun serves as a boundary relation: it joins the family network to the marriage while also testing the limits of both. Shen Yiyun’s adopted status supplies legitimacy, her older-brother language supplies protection, and her physical and emotional attachment supplies ambiguity. Su Xiangcheng’s reaction reveals how quickly a supposedly safe familial category can become a rival structure when affection is not explained, access is restricted, and the husband’s attention is already treated as a scarce marital resource.