I agree with you to an extent. It's obvious this Nan Xin was sent, so his rudeness to her would be indirectly to the elders at home.
I think it's cute and interesting how Hua'er is mostly always observing.
Xiao Yun’s internal sass is getting stronger
Nan Xin, huh? Seems like she is caught up in the family drama and is part of the collateral damage. I wonder if Hua will end up helping rescue her from the disaster that is the seed donor’s immediate family