Shixie Baojun Jing Shi Wo Qianfu

Lin Lei wakes up as Grace Gottlieb, her favorite character from a tragic novel. The bad news? Grace is destined to be murdered by her husband, a bloodthirsty tyrant. The worse news? Grace is currently only five years old. Trapped in a child's body, her plan to escape her gruesome fate by divorcing him is dead on arrival.

(Source: Tencent, translated)