Responses

She's the lawyer co-worker of MC's ex-boyfriend who stole him, only to turn out that she did it on purpose to exact revenge on him for getting her best friend pregnant and leaving her, which made the bff kill herself. She eventually explained what happened to MC and they were acquainted well before she left for U.S. to study again.
Hyunjin, thank you!!! My god, I was afraid our baby girl would be left alone in a dangerous white world