Quick Transmigration: The Cannon Fodder Heroine's Perfect Comeback

The heroine who is cultivating immortals is so miserable that she is like the heroine. She is tortured and bullied every day. It is better not to wear it. The heroine is taught cheating, memory and perception of any task. She works hard and works hard for a little bit in exchange for fragments. The heroine is learning how to use it every day. It is okay to teach the heroine how to cheat in exams. Why not give the heroine the strength? The heroine also has a mutilated body in the past because of cultivation? The force was so strong that a child could beat her to death, and she was starved and humiliated every day. The key point is that the heroine did not live as well as she did before the time travel. She traveled to the past just to be abused?