Quick Transmigration: Acting as I Please

This is free. I didn't want to continue writing the final world before it was finished, so I marked it complete. Readers, proceed with caution. Recommended upcoming story: "Randomly Becoming a Murder Victim" Blurb: Ever since a car accident, Shen Yi has often become someone else while sleeping at night. Among them are elderly people, young children, newlywed wives, and people of all kinds. But the one thing they have in common is that they are all going to be killed. Shen Yi becomes them. If she can successfully find the killer, they will survive. If she can't identify the crucial point leading to their deaths, they will die. Shen Yi was killed. She was killed by someone while inside another person's body. When she woke up, she thought it was just a nightmare, until she saw the news: [Serial killer strikes again, one more victim] The accompanying image showed a long-haired girl in a white dress. She looked exactly like the girl in Shen Yi's dream. After that murder, the serial killer vanished without a trace. From then on, Shen Yi began learning all kinds of self-defense techniques and building up her strength. Every time she possessed someone after that, she gave it everything she had and did whatever she could to save them. Content warning: The male lead appears relatively late. Theme: Self-reliance