Stealing Pen Mark Bone

Under the calm surface of Yucun's daily life, some hidden illnesses caused by Wu Xie's early adventures (perhaps old lung problems, or occasional mental fatigue) began to appear occasionally. As a guardian, Zhang Qiling is keenly aware of these subtle changes. Out of instinct and protectiveness, Zhang Qiling silently patted Wu Xie's back when he coughed; naturally stretched out his hand to support his elbow on a steep mountain road; during night vigils, if Wu Xie was not sleeping well, he would touch the inside of his wrist very lightly with his fingers to feel the pulse (seemingly measuring pulse, but actually comforting him)...