It took Qiu Xiuyi 2 days of planning and a night to execute his plan to make Shen Xinghuo a sacrificial lamb.
It took him 2 days and 1 night to ruin their lifetime of brotherhood.
It took him 2 days and 1 night to kill his sworn brother, for the sake of protecting his own loved ones.
And if there was a next life dedicated for them. He would spend it atoning for his betrayal towards Shen Xinghuo.