C502 East Window Incidence

No matter how much Yin Qiuyu fought with him, it was still a matter between his two sisters, so he could not tolerate anyone else joining in.

This was also the reason why Yin Qiushuang was so furious after learning that Yin Qiushui and Yin Qiuyu had formed an alliance. After all, Yin Qiuyu was his own sister