I'm a Minor Supporting Character, Why Does the Heroine Insist on Killing Me?

Who is the troublemaker? Who wants to get married at the age of 8? How could there be such vicious relatives in this world? What kind of society is this? It's still feudal and backward? What? She is the bad guy, she wants to get married? ? ? … Xu Xian was stunned when she was hit by a car. Shouldn't she be in the hospital? This shabby house is falling apart, the environment is dilapidated and dirty, the mother is yelling, the brother is naughty, the sister is timid and crying, the honest father is planning to sell her father and she is about to be sold to a fool to get married... She actually crossed over! What? Wearing books? Is it still a world of cultivators? Speaking of this, Xu Qian said that she was no longer sleepy. Whoever wanted to be treated in this broken family was going to go to find immortals! ! ! But who can tell her why she is just a minor supporting character in the book who pave the way for the heroine, or a little cannon fodder who was killed before ten episodes? As a prospective college student with lofty ideals, she expressed ten thousand no, no, yes! ! She wants to rise, she wants to resist, she wants to get rid of her destiny... Oh, the reason why the heroine held on to her was actually... [Before she entered the book, the heroine was just an ordinary quasi-college girl who knew some self-defense skills. She was not mature enough and could not kill directly and decisively in the early stage. She needs continuous experience to grow! Those who are concerned, beware!