What's the nickname of the protagonist in romance novels?

Your question is, who is the author of the protagonist's nickname crow in romance novels? Walking at midnight. According to Weibo's query, Zaler Xu's code name crow is the hero in the novel Secret Service One like you. An Agent is an online novel with military theme, which mainly tells the story that Zaler Xu, as an agent, becomes calm, resolute and resourceful because of his mission.