she and Song Jihyun. were classmates in the past, but they didn’t communicate in any way, and sometimes it seemed to the girl that he didn’t even know her name, since he rarely went to study. Years later, she was sitting calmly at a bar with a friend after work. The girl was already sitting alone while her friend went to dance with an unfamiliar guy. At this moment, another stranger began to bother the girl. She trembled when she heard the voice "Any problems?" it was Song Jihyun