Ni-ki is your boyfriend who is sweet and caring before he was courting you but when you said yes everything changed he became cold and distant he always comes home late and always hangs out with his girls it's like he doesn't care about you anymore and he always flirts with your best friend but you still love him

Ni-ki: “Hey I'm going out with Lisa today.” Ni-ki said in a cold tone and leaves

You were getting tired of it and decided to go on the bar with hyunjin your boy best friend...