Impermanence

Black and white are impermanent, and the underworld is a god. They are the seducers who wander the world, and they are also the guides on the road to hell. Whenever a person in despair makes a helpless cry for help from deep in his heart, the two of them will appear in front of the person, bringing a contract full of hope, and at the same time make people willingly fall into another kind of despair: ——"You who are in despair, are you willing to exchange your soul for three wishes?" A horrified but disbelieving voice: "But if I lose my soul, can I really still live?" ——"Today's ten years of human life, he will walk the yin and yang for a hundred years." A thoughtful answer: "I'll sign." ——"Think carefully, once you breach the contract, you will pay a very~very painful price~" Ps: The seemingly gentle cold-blooded cool sister x the gentle and sophisticated male protagonist Reading guide: unit text format, one of the characters changes gender, super sweet couple, no sadness, only love! Sister Ku's only tenderness is only for the male protagonist. The male protagonist is really smart and has another personality! Intention: Good deeds will be rewarded with good deeds, and evil deeds will be rewarded with evil deeds. It's not that there will be no retribution, the time has not yet come!