Manga It’s Too Hard to Chase the Tsundere Prince / Ao Jiao Wangye Tai Nan Zhui
This is a story about a murdered lady, who then time travels and is reborn as the second daughter in a wealthy household. She was often bullied in her own household. After time travelling, she acts all frail and weak in the situations she encounter, while intelligently overcoming crisis after crisis. Even without a royal background, she is slowly but surely climbing to the top!