At the age of sixty, Fang Xuanling, wearing his official robes, stood in the courtyard with his hands behind his back. He looked up at the snow-covered roof and wore a face full of worry.,The boy on the rooftop, however, remained unmoved, with his head tilted back as if lost in thought.,But Fang Jun's heart remained as cold and icy as the weather outside, piercingly so...。