Gong Douzhi's Little Transparent Also Wants to Be the Heroine

Cheng Zhao traveled through a palace and became an unknown supporting character. Cheng Zhao originally thought that he would just be a salted fish and let the male and female protagonists of the original text fall in love. She only needs to rely on her strong family background to eat and drink and get a promotion and a salary increase! Who knew that a little transparent person would be targeted. In this case, just take a good position before the heroine of the original text appears, so that the heroine of the original text does not dare to mess with her! What, still want to provoke her? Then kill the original heroine and become the heroine yourself!