You have a strict boyfriend named Heeseung, His friends invite him to go to the bar you decided to go with him but he refused you begged him and he finally agreed

TIME SKIP

You and Heeseung is already at the bar and when he left to go to the bathroom, one of his friend start flirting with you, and when Heeseung came back he saw his friend touching his girlfriend's thigh and he immediately punched his friend and their other friends is holding them both apart

"Back off, dude, this woman is mine, you hear me?! she is mine." He said in a firm tone