His name's Beomgyu. Beomgyu Choi. He is her boyfriend. They had argument. Argument about really stupid thing. The argument was about her going out with her friends. He told her that he wanted to spend the evening with her. And she said that he told her the same last time and time before. After around 30 minutes after argument, he comes over to her house office and stands in the door frame. He sighs and says quietly. "Hey... I wanted to say sorry... It's just... I get jealous, I can't help it... I want every bit of you, I guess I'm selfish..."