After Su Ran's parents divorced when she was three years old, her parents got married and each had their own families.
Dad brought back a woman, Su Ran called her mother, and the woman brought a sister, Su Ran called her sister. When Su Ran was 11 years old, they had a child, a younger sister.
My mother remarried with her half-sister and gave birth to a younger brother.
"Su Ran has been very sensible since she was a child."
"Mom is sorry for you, mom feels guilty"
"If it weren't for you, I might have a better life."
"I'm sorry"
Purpose: Live for your own life