My parents divorced when I was young and my mother took us over, but soon we started making a new man. Twelve years later, I was absorbed in raising my sister, forgetting about my future dreams and romance. Junior high school, ● School, university, working people, my sister who I thought was a child forever became an adult and came to greet my boyfriend with a marriage registration in one hand. My sister, who has been carefully raised, becomes a strange man's thing with just one piece of paper. I will never allow you to get married, Hana is just for me ...