The heroine has been fostered in the hero's family since she was a child. The two grew up together and have been classmates. In high school, the hero knew that he fell in love with the heroine because of a friend's words. However, he wanted to wait until he won a competition before confessing his love. As a result, he was unable to stand up due to a car accident and chose to hide his love for her. Later, because of the concern of the heroine and his friends. It gave him the courage to go back to school and take the college entrance examination. Later, all four of them were admitted to the same university. However, the heroine's father was ill, so all the money in the family was used to treat his father. She spent four years in college doing light work and skipping school. In her junior year, her father passed away, and the heroine's world collapsed. Her mother also turned gray overnight. Later, through hard work, she got a postgraduate spot at the University of Chicago, and she decided to take her mother abroad. Before leaving, she and her boyfriend The protagonist made an agreement that she would come back when her studies were completed... Six years later, the heroine completed her studies and just wanted to share this joy with the hero. However, she received a call from the hero's mother, telling her that the hero had passed away. The joy of returning home was punctuated by the sadness of the hero's death. After the hero's funeral, the hero's mother handed the heroine a love letter written by the hero to the heroine... Later, the heroine spent a lifetime to accept the death of the hero...
Purpose: Survival from desperate situation