Male character, the eldest son of Madam Gu and Gu Yu's older brother. He is in the military and has a gentle, reserved nature. He refused to meet Xinran (arranged by Aunt Yang) due to an urgent military matter, and stated clearly to his mother that he will never like Xinran. His mother finds his disinterest in female comrades explainable. Gu Yu remarked that at least Gu Sheng is acting like a decent human.
