The Proud Immortal Fairy's Destiny Between Two Worlds

She is the reincarnation of the Snow Goddess. He is the peerless divine king who has a private life-long private contract with the Snow Goddess. He is willing to be a slave but also want to save her charm. Hundreds of years of love, the entanglement of the three people. I thought they could return to the past after going through hardships. Go, let the three of you sit together, drink tea, and talk to the world. But they don't know that they are just chess pieces in the hands of others. They don't know the relationship between the chess players and the chess pieces. In a duel, what will be the outcome?