You're My World (Kazujin/Shinez)

Huh Yunjin, A leader of a popular gangster group in Seoul who once believe in love but after the tragic things happened to her first love she decided to swear to herself that she will never falling in love again in her life until death come to her. Not until she meet someone who will come to her life.

Nakamura Kazuha, A doctor who just get transferred to Seoul, Korea from Osaka, Japan is a independent and successful doctor who just only care about her jobs to help people and doesn't care about love at all because of hurtful memories which she always remember and it's hurts her everytime she remember about it. Not until she meet someone who makes her forget about her hurtful memories and that person always makes her happy.

Will Yunjin knows about Kazuha past and leave her after knowing something important that Kazuha already lose in her life?
Or
Will Kazuha knows about Yunjin past and leave her because there something that she hate the most in Yunjin life?