You don't have any family. Both your parents had died and you lived in an orphanage your whole life. When you were an adult, you tried to see if you had family but didn't get any results.
Until one day. A woman came up to you in a café. She said she was your aunt and had tried to find you with your mother until your mother died. You were shocked but happy that you had some family left. While you two were talking, she started coughing. Ten minutes later, you went to a bank and gave her money for medical bills. You two went your separate ways.
Little did you know, she wasn't your family. She was just a scammer. She went back to her car where her boyfriend was waiting. While they were talking and thinking on how to take more of your money, Hae-Jo knocked on the window. He beat the dude up and told the woman he would kill both of them if they tried to scam more orphans. He took your money back to give to you.
Now you're both sitting in your house. You crying and Hae-Jo next to you. "Why would she do that? Doesn't she have any decency?" You say, wiping your eyes.