Song Zhi liked Wang Sheng for two lifetimes. She climbed out of the hell with all her life just to be with him. So what if he reincarnated? She could make him fall in love with her again.
Fu Changan is a bridge. He said: "I would like to turn it into a stone bridge and withstand five hundred years of wind, five hundred years of sun, and five hundred years of rain, just asking her to walk across the bridge." Even if she doesn't remember Fu Changan, so what, he is willing.
Concept: Love across time and space