The cold voice made Gu Nuan Nuan's heart plummet like it had fallen into an ice cellar.,"Father, I am your son…" A sigh escaped his lips, softly echoing in the air. It was unclear whether it was a reminder of the bond between him and Gu Wu, or if it was a lament for himself.,It was still that mechanical voice, but I heard a deep undercurrent of reluctance in it.。