“If I were to suddenly die… would you be able to take care of my family?” For the sake of my beloved best friend, I married her husband. It was the last will and testament left by my one and only best friend in the world. To protect the two children she left behind, I became her stepmother. Despite the son’s despise and the disapproving stares of those around me, I lived a seven-year contract marriage to keep my promise to my best friend. And on the day the children came of age, I left them without any regrets, just as I had promised. Just as I was about to start a new life as a woman, unexpected people began to appear before me. The third prince who vanished without a trace seven years ago, my first love whom I had never forgotten for a moment, and even my ex-husband and sons who were now beginning to regret it…!