An important national engineer and pillar of the country, traveling to Province C for research. Though the country takes great care of his material needs, his social status has declined. He initially seems aloof but warms up to Shen Qingyun after learning he is the father of Da Bao and Erniu. He had previously traveled with Yin Xiaoman and the children to Haicheng in the same compartment. He offers Shen Qingyun a position at the design institute after the train journey.