C499 In Full Fury

After all, this was Yin Qiushui's territory. If Yin Qiushuang came over just to cause trouble, wouldn't she be treating her seriously?

In other words, was Yin Qiushuang planning to break off all ties with Yin Qiuyu, completely disregarding their sisterhood, and completely fighting each other here?

As Yin Qiushui watched Yin Qiuyu not flustered in the slightest