My parents divorced when I was a child, and my mother took us in, but soon we created a new man and left. After 12 years, I was so obsessed with myself to forget about my future dreams and love life and raise my younger sister. My younger sister, who I always thought would be a child in junior high, high school, university, or working adults, had grown up and came to greet her with her boyfriend with a marriage registration. My little sister, whom I've raised with great care, has become a man I don't know about with just one piece of paper. I will never allow marriage, Hana is my own thing...