The child I raised turned out to be a man. Kang Si Hyeon, an ordinary office worker who was about to get married after a boring relationship. One day, the newly appointed head of department who was seven years younger than her turned out to be Yoon Tae Ha, the child she had raised since he was in the second grade of elementary school. “You can’t do this to me. Even if you were the last man left in this world, it wouldn’t happen between us!” The once adorable child now looked at her with a man’s gaze. “Marry me instead.”