[Good Wife by Day VS Queen by Night] [Abstinent Professor VS Wild Singer] In order to save my family, I was forced to marry the old-fashioned Professor Gu for my sister. I acted as a good wife during the day and stirred up the music scene as a rock queen at night - until I was tearing up and shouting on the stage. Under the lights, I suddenly saw my husband in a suit and tie. He pushed up his gold-rimmed glasses and said with deep eyes: "Mrs. Gu, should we talk about... The spousal agreement again?"