Obsession: One and Only

“No matter how many lovers he had, she was his only wife. However, she knew well the reason why he married her was that she was the best substitute for her twin sister. She had tried her best to be his qualified wife in the past two years, but it was all in vain. Every time he looked at her who had the same face as the woman he deeply loved, he would lose control. Love was a maze, and neither of them knew how to get out.”