The Dangerous Mafia Empress

There is a very mysterious woman. She is a dangerous person, she has a cold demeanor and a deadly look that makes you think Satan is in front of you. She has killed many people and she kills brutally. Mercy is not in his vocabulary because once you fight against it, you are definitely dead because she can't do even a little mercy. She controls everything so no one can defeat him. She also has a secret that he can't tell except to his friends. It's a mysterious and deadly secret. But behind his devilishness she also has a weakness and this is his sister.
That doesn't end yet, how about when a man comes to capture her heart, even if she is a demon, what can she do, will she give up everything for the sake of her beloved. Then let's find out this story of Dangerous Woman.