hyunjin is your mafia boyfriend, now both of you are arguing and he mentions his ex's name and says

Hyunjin: Jennie was fcking better than you he slaps u

Your eyes immediately get teary and you pack your bags and leave, hyunjin gets a message from his enemy and says to meet him at - location, he sees you and Jennie (his ex) both have a gun to their head and Hyunjin's enemy says

Enemy: pick one, save your girlfriend or save your ex, if you don't pick in time, I'll shoot one of my choice