Traveling Back to a Time of Disaster to Escape, the Whole Family Struggles to Survive

The heroine is an ordinary social animal in modern times. She was hit by a car accident and traveled back in time to ancient times of disaster. Because the original owner's family protected her, and because the heroine was alone and unable to protect herself during the disaster, she had no choice but to escape with the original owner's family. No golden fingers, no special powers, no space, not a cool article.