Family Born Toward the Light

My name is Yu Li, and my colleagues call me Sister Li. I am a biologist. My childhood memories are of warm yellow color. My mother's hands were soft and my father's laughter was loud. There are always three sets of dishes and chopsticks on the dining table, and my report card is always posted in the most conspicuous place on the refrigerator. I thought life would go on like this. Until I was ten years old, my mother disappeared. No goodbyes, no traces. From then on, my father seemed to be a different person. He began to work hard to make money and forced me to learn fighting, survival in the wild, and reading financial statements. I hated him. On my seventeenth birthday, my father touched my head and said, "I know where your mother is. I'll go find her." Then he disappeared too. A month later, when I was sorting out the bank safe he left behind, I saw a dense training plan and a sum of money that was enough for me to live a stable life. I realized that everything he forced me to learn was so that I could survive alone after he left. I called the police and posted a missing person notice. I was stunned by the police's reply - my parents could not find this person in the household registration system. Information shows that I was rescued by the police from human traffickers when I was three years old. My biological parents are still unknown. The two people I had called mom and dad for fourteen years had completely disappeared from the world. One day, I found a letter left by my father...