Fighting for the Crossing

I dreamed about a boy, His surname is Lu, and his name is Lu Zecheng Very nice Concept: The heroine and the hero met in a dream, and then met each other, and spent a happy time together. The hero came back from a business trip, and the heroine wanted to pick him up, but got into a car accident and lost his memory. The hero came back and prepared to propose the next day, but this happened. Later, the hero watched the heroine fall in love with someone else. The female protagonist regains her memory and remembers the male protagonist. She and the male protagonist exchanged bodies under unknown circumstances. The male protagonist used the female protagonist's body to save others and died. The female protagonist wants to leave together, but remembers that this is the male protagonist's body. She cannot let go. She can only carry every bit of their past and live in pain.