Thanos's biological daughter in period fiction

Xia Yutang tripped and fell, and in a flash, she found herself transformed into the daughter of a Thanos-like villain in a period novel. Because her daughter had died young, her wife had become mentally unstable, and Xia's father, driven to darkness by the events surrounding his daughter and wife, had evolved into a Thanos-like figure after investigating her daughter's situation. If it weren't for the protagonist's plot armor protecting his enemy, the entire family would likely have been wiped out within a year. Of course, Xia's father wasn't going to take this lying down; even if he couldn't eliminate his enemy, he would drag the whole family down with him. No matter who they were, no matter how powerful they were, as long as Xia's father found out they were involved in his daughter's affairs...