I'm not an expert in categorizing novels, and I don't categorize all novels. However, according to the novels I know, the novels with the male protagonist named Zhou Mu 'an might be " Silent Flute,"" The Poisonous Daughter of a Concubine,"" The Secret Service Concubine: The Emperor Is Going to Destroy You,"" The Secret Service Concubine: The Alluring Love,"" Feng Qiuhuang," and so on.