1. The investigation found out the truth: if Li Muzi had not died, she might have cooperated with the protagonist to investigate her disappearance. They may gather clues together, expose the truth behind them and find the real murderer.
2. Love development: The protagonist and Li Muzi can develop a profound friendship or love relationship. The existence of Li Muzi can provide support and comfort for the hero, so that they can face difficulties and challenges together.
3. Li Muzi's identity secret: If Li Muzi survives, she may have some identity secrets, such as a hidden identity or witnessing some important events. Her existence may lead to more conspiracy, and the protagonist and she may be involved in more complicated mysteries.
4. Cooperation in solving crimes: The protagonist and Li Muzi can be partners. They can use their skills to solve other cases, pursue criminals and safeguard justice.
No matter what happens, Li Muzi's survival will add more suspense and emotional elements to the story, and will also change the development track of the protagonist and other characters.