Suji was 10 years old when her got divorced . She was with her mom Kim yuri in Busan. Her mom was uneducated , selfish and careless which was the reason her husband left her . She even didn't care about her daughter who was at primary school . Yuri always showed her cold and arrogant side towards her daughter . But never abused her and deep inside she cared for suji .She used to work in small cafe and the money she got was enough for to pay there rent and suji's college fees . You may all think that she was selfish but she was selfish for her and her daughter . Suji was happy enough because she can go to school and study but she was hurt by her mom's cold behaviour. . She had no friends because her classmates use to make fun of her because she was poor and always embarrass herself in front of every one . She was so much hurt by her surroundings and people including her mom . She always use to cry before going to bed . One night she thought a solution for this problem is to work hard and have a successful careerer in future so that people can be sweet and caring towards her