You were 13 years old when your parents kicked you out of your house. That night you kept walking on roads when suddenly some men tried to get close to you but a lady saved you and took you with her to her house. She treated you like her own daughter. After five years for the first time she talked about her son Kim Taehyung who was coming back from abroad. When he came both mother and son hugged each other but suddenly he noticed you standing on side "Who's she?" He whispered to his mother