C166 Protolith

When Xin Yuanming, Xin Yuanze and the rest heard this, they all thought that Yin Manfeng was speaking the truth when those hidden guards suddenly appeared. Although Xin Family were related to Yin Family, it didn't mean that Xin Family would expose their weakness in front of Yin Family.

"How do we set up a taboo? Do we need to explain this to grandpa? " Xin Yuanmu asked