阶梯倍投方案1,2,24,4

简介：Hehehe, Mitsui-kun, is it really you? I can’t even recognize you. It must have been more than ten years since we last met. When I think of you when you were a child, you are really very different from who you are now. But those eyes and nose really look like your father. Is your father okay? Is he still running his kendo gym?