Is there a novel in which the hero and heroine are death and the heroine loves him at first? The heroine can't say I love you, but if she does, she will become a petal.

The Seventh Night of the Rose fictionalizes a romantic "doll love world": there, dolls have dazzling appearances that ordinary people can't have, but they know nothing about their identity. They just love each other according to their master's orders, and they don't know where their hearts are ... Humans who are involuntarily involved in that world observe and look at each other with their own purposes, and they can't grasp the development direction of things. Behind the beautiful face is a nervous heart. Suspense storyline, magical and weird atmosphere, romantic and sad doll life, who is the doll? Who is the doll? Is all this love or conspiracy? Unreasonable puzzles, such as fog, haunt this dreamy campus and readers' hearts.