Gu Yanshen is a company captain in the military, known for his stern demeanor, sharp features, and sense of duty. He rescues Shen Suyu from drowning, takes her to the hospital, and ensures she receives proper care. Despite his formal and sometimes harsh exterior, he shows genuine concern for her well-being, even delaying training to accompany her. He firmly enforces the law by arresting Zhong Yao for hooliganism and obstructing rescue. His actions reveal a protective nature and a strong moral compass, though he struggles to express his feelings openly.
