A story of Joongdunk where Joong is a mafia and Dunk is a high schooler, also a part time café owner How can the warmth of coffee melt the cold mafia's heart?

6 main character story and 3 jungkook's mafia partner

IN CHILDHOOD yn- hey bunny "yes yn " yn - promise me something. "what?" yn -that when we will grow up you will marry me . "ok I promise " he said while smiling . IS HE GONNA MARRY HER WHEN THEY WILL GROW UP AND BECOME AN AUDULT ? READ TO FIND OUT .....

Jeon Jungkook (the mafia who is her brother's friend and they are both CEOs) is Y/n's Boyfriend since middle school, however Y/n doesn't remember him which means he is a stranger to her. Y/n's mum and brother are also Mafias but she doesn't know. Her father left them when she was 8 years old so from then her mum decided to be a Mafia and when her brother got older he became a Mafia boss, Soon after High school she will not go to college but she will become a Doctor instead of becoming a Mafia.