“Primum non-nocere.” First, do no harm. HippocratesZheng Ren, an ordinary general surgeon in a cruel medical world whose efforts went unnoticed. His struggles are real until he is blessed with a system and gifted with skills that exceeded even the best surgeons in the world. Moreover, Zheng Ren uses his exceptional gift to challenge the skepticism of his colleagues and save lives. This novel is in the same genre as the Knights and Magic light novel.