Demon Slayer: Transform into Kanae? I Want to Rewrite the Ending

(Only CP intention, no CP description) Lu Yiming, a 24-year-old game planner, woke up and became the style butterfly Kanae? ! In front of her is the second child of Shangxian. In the original work, she is about to die in this battle. But he has a systematic and advanced plot memory... Escape is only the first step. What he wants to do is to prevent any tragedy from happening again. Yes, I want all members of the Demon Slayer Squad to survive and rewrite the ending! This time, Kanae will not die, and no one will!