Passing Through the World of Mortals

Wen Zimo is a killer trained by the Ling family. A killer must be ruthless by nature, but Wen Zimo became the best killer only because he was ruthless. His biggest shortcoming also became the advantage of his success, but it also became his greatest sorrow. Just for the warmth of charity, he gave everything he had like a sacrifice. Once a person's emotions are exhausted, what else can he miss?