When he was 3 years old, he separated from his elder brother and lived with his maternal grandfather in the United States. His learning ability is the same as that of his cousin Shangguan Bingling. He studied tennis with his cousin in Echizen Nanjiro since he was a child. He was accepted as a disciple by a weird old man in China. He went to China to study Chinese martial arts, taekwondo, and kung fu for 2 years. Later, he returned to the United States and secretly took the Interpol exam. He passed it and became the youngest and most mysterious Interpol in history. Later, he and Long Ya traveled around the world until he got a call from his mother when he was 14 years old. He went to Japan to take care of his brother and study at the same time.