The girl lost her father, whom she had never met, when she was seven years old, and her mother died of illness; the boy lost his parents in a car accident when he was fourteen years old.
Fortunately, the girl met the 21-year-old boy when she was 14 years old. They redeemed each other and became each other's light (the male and female protagonists in this article are not related by blood)
Purpose: Mutual salvation