What is the nickname crow of the hero of romance novels?

your question is, what is the author of the hero's nickname crow in romantic novels? Walking in the middle of the night. According to the query of Weibo, Zaler Xu's code name Crow is the hero in the novel "The Secret Service Unique". "One Secret Agent" is an online novel with military theme, which mainly tells the story that Zaler Xu, as a secret agent, becomes calm, resolute and resourceful because of his mission.