"Y/N, My wife... don't run away from me~ I'll kill everyone who will come in my way to own you. No one can have you except me. Only I can have you like this, my precious toy~" Kim Mingyu, he is arrogant and a cold hearted mafia. He is more than a psychopath. His passion is to complete his desires, and if someone disturbs his passion...be it knowingly or unknowingly.... he kills them. He is dangerous, The only Mafia King. His smirk is like a death threat and He knows how to make hell...feel like home. He is the baddest player and he doesn't know how to treat a women well. So, What if innocent Y/N unknowingly disturbs his peace? And what if one day Y/N is forced to replace his eloper bride's position, who also happened to be her step-sister, and marry the ruthless mafia king? Will Y/N be able to love that monstrously sinful person that she calls as her husband and change him for better? And will the baddest Mafia King change his ways and fall in love with his wife that he calls as his most precious toy? Read ahead to find out..... This story is inspired by one of the fanfiction of the YouTuber @Chim Kook ff. All the plots are similar to her own story but it's written in my style and with newer changes. All the credits for this story goes to her <3 ©Chim Kook ff I hope you enjoy...