C467 Why

Why did he say that to himself? Which cartoon? Liu Yangsheng didn't have a clue, which was normal. After all, he had thought of the problem all night, how could he think it through so quickly?

Right now, his brain was like a lump of paste, he couldn't move at all. Other than Gu Yanci's miserable look when he knelt in the pile of debris and cried for his brother not to let him go