Neither Wu Xie nor the little brother had a susceptible period. In the novel Grave Robber's Chronicles and its derivative works, there was no mention of them having an susceptible period.

Cheng Guang in the black and white couple would have some special emotions and behaviors during his susceptible period. Cheng Xiaoshi would show some seductive behavior to Lu Guang during the susceptible period, such as leaning close to his ear and sitting on his lap. In addition, Lu Guang would also feel dangerous during Cheng Xiao's susceptible period because he was the only blood type O in the school. He needed to inject suppressors and use blocking agents to control his emotions and desires. However, other than these descriptions, the search results did not provide any more information about Cheng Guang's susceptible period in the black-and-white couple. Therefore, he couldn't come to a more specific conclusion.
Cheng Guang would show some seductive behavior to Lu Guang during his susceptible period, such as leaning close to his ear or sitting on his lap. In addition, Lu Guang would also feel danger during Cheng Xiao's susceptible period because he was the only type O in the school. The susceptible period referred to a period of time when an individual was more sensitive to a certain stimulus and was prone to emotional and behavior changes. However, more details and background information about the black and white couple's susceptible period were not provided in the search results.
We can get some information about Cheng Guang's susceptible period in the white and black couple. The susceptible period referred to the period of time during Omega's menstrual cycle, during which they would show special emotions and behaviors. According to the search results, Cheng Xiaoshi would show some seductive behavior to Lu Guang during his susceptible period, such as leaning close to his ear and sitting on his lap. Lu Guang would feel dangerous during Cheng Xiao's susceptible period because he was the only blood type O in the school. He needed to be injected with suppressors and use blocking agents to control his emotions and desires. However, other than these descriptions, the search results did not provide any more information about Cheng Guang's susceptible period in the black-white couple. Therefore, he couldn't come to a more specific conclusion.
In Grave Robber's Chronicles, Wu Xie and Zhang Qiling didn't have a love line. The author, Third Uncle Nan Pai, was not keen on setting up emotional lines for the characters in the novel, including Wu Xie, Little Brother, Wu Erbai, Wu Sansheng, and other characters. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The little brother and Wu Xie were both characters from Grave Robber's Chronicles.
The little brother and Wu Xie were characters from Grave Robber's Chronicles.
The little brother and Wu Xie were characters from Grave Robber's Chronicles.
There were a few recommended doujinshi novels about Wu Xie and Little Brother. Among them," Wu Xie and Little Brother's Happy Life " was a novel describing the happy life of the two, while " My Little Brother Is Not That Cute " was a healing novel. In addition, there was also a doujin novel recommendation about Wu Xie faking his death to guard the bronze door for his brother. However, the specific content and plot description were not provided in the search results. Therefore, he needed to read more of these doujinshi novels to understand more details.
The scene of Wu Xie crying and shouting for the little brother to leave appeared in " Desert." Wu Xie insisted that only Zhang Qi Ling could be called little brother. He did not allow others to call others little brother. This plot showed Wu Xie's special feelings and persistence towards Zhang Qi Ling.