Falling For His Stand-in Bride

“My sister and I are twins. In a big fire, my sister died. My parents actually made me marry the prince instead of my sister. After marrying him, he asked me, "Why did you disappoint him, not fulfilling his wish to climb onto the dragon bed, only able to marry him, do you regret it?" He treated me as if I had betrayed his sister, humiliating me step by step...”