Eldest brother of Song Si, a lawyer who has been working overseas, previously based in America where he was practically legendary in the U.S. legal world. He is described as cold-faced, strict, merciless, and terrifying, compared to King Yama from hell. The Yán character in his name is said to be the reason for his stern nature. He has a strong aura that makes others breathless. He is fiercely protective of his family. He claimed Song Si is their biological sister based on her resemblance to their mother and to Li Li. He was shocked when he heard Song Si's thoughts, realizing everything had stepped beyond the bounds of science.
