Killers Shouldn't Have an Afterlife

Another soul woke up in his body. That is the top killer from the martial arts world, codename: Gui Ren. In his previous life, he was the strongest sword in the killer organization Mu Sheng Pavilion. Proficient in assassination, disguise, lurking, poison, and disguise, he has killed countless people and accumulated blood debts. He personally killed the girl who loved him, and also betrayed the organization that trained him. Before he died, his only wish was: "In the next life, don't be a killer." Destiny gave him a second chance....