C160 How?

"Yes."

Guyu stopped writing and could not help but yawn a little. He peeked at his father looking at him and immediately held back, causing Gu Rongzhi to laugh, "You and I are father and son, there are no outsiders here, so there is no need to be restrained."

Guyu looked at him and his beautiful face finally revealed the smile that only a child would have