He is the prince of a subjugated country who bears a blood feud. Marrying her is just a pawn on the road to revenge. He thought she was weak and could be bullied, innocent and harmless, and could be manipulated as he pleased. Who would have known that this docile "little white rabbit" was actually the founder of "Bai Qie Hei", who planned every step of the way and planned him out.
When the chess piece jumped out of the chessboard, he suddenly woke up and chased after her like crazy: "The country is yours, and you are mine!"