```
Yan Xu slightly furrowed his brow but, due to the presence of an outsider and considering Bai Lu's face, he endured and let Bai Lu rub his head a couple of times.
But in fact, ever since he was young, he had disliked anyone touching his head, elders in the Yan Family being the exception, of course.
Bai Lu, on the other hand, had been used to rubbing Zong Xiaoyan's head since childhood and, after finishing, would habitually curve her finger and lightly flick Yan Xu's forehead.
With a "pop," a soft sound, despite the action being very gentle, it made Yan Xu shiver deeply.
The shiver was fleeting, which made Yan Xu wonder: was that tremor just now a physical shudder or was it, perhaps, his heart that had fluttered?
Whichever it was, for him, it was an extremely unfamiliar feeling.
Thrown into Jun Camp by his great-grandfather and grandpa when he was just a few years old, his adaptability and psychological endurance were unparalleled.